Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent

Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly...
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Gespeichert in:

Autor*in:	Tailor, Krishma [verfasserIn] Sagar, Prarthi Dave, Keyur Pohnerkar, Jayashree

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	(p)ppGpp RelA HD domain RelA-CTD

Anmerkung:	© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022

Übergeordnetes Werk:	Enthalten in: Molecular genetics and genomics - Berlin : Springer, 1908, 297(2022), 2 vom: März, Seite 601-620
Übergeordnetes Werk:	volume:297 ; year:2022 ; number:2 ; month:03 ; pages:601-620

Links:	Volltext

DOI / URN:	10.1007/s00438-022-01873-7

Katalog-ID:	SPR046604561

Internformat


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520			\|a Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly regulated for homeostatic control of intracellular (p)ppGpp levels. Characterization of the mutant studied here indicates that moderate level expression of RelA appreciably reduces growth of cells wherein the basal levels of (p)ppGpp are higher than in the wild type without elevating the levels further. Consistent with this result, a large part of the growth inhibition effect is reproduced by overexpression of RelA NTD-CTD fusion lacking the (p)ppGpp synthesis function. A null mutation in relA abolishes this growth inhibitory effect suggesting its requirement for basal level synthesis of (p)ppGpp. Accordingly, increase in the (p)ppGpp levels in the relA1 mutant by spoT202 mutation largely restored the growth inhibitory effects of overexpression of RelA NTD-CTD fusion. Expression of this construct consisting of 119 amino acids of the N-terminal hydrolytic domain (HD) fused in-frame with the CTD domain (±TGS domain) renders the growth inhibitory effects (p)ppGpp-responsive-inhibited growth only of spoT1 and spoT202 relA1 mutants. This finding uncovered an hitherto unrealized (p)ppGpp-dependent regulation of RelA-CTD function, unraveling the importance of RelA NTD-HD domain for its regulatory role. An incremental rise in the (p)ppGpp levels is proposed to progressively modulate the interaction of RelA-CTD with the ribosomes with possible implications in the feedback regulation of the (p)ppGpp synthesis function, a proposal that accounts for the nonlinear kinetics of (p)ppGpp synthesis and increased ratio of RelA:ribosomes, both in vitro as well as in vivo.
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912			\|a GBV_ILN_32
912			\|a GBV_ILN_39
912			\|a GBV_ILN_40
912			\|a GBV_ILN_60
912			\|a GBV_ILN_62
912			\|a GBV_ILN_63
912			\|a GBV_ILN_65
912			\|a GBV_ILN_69
912			\|a GBV_ILN_70
912			\|a GBV_ILN_73
912			\|a GBV_ILN_74
912			\|a GBV_ILN_90
912			\|a GBV_ILN_95
912			\|a GBV_ILN_100
912			\|a GBV_ILN_101
912			\|a GBV_ILN_105
912			\|a GBV_ILN_110
912			\|a GBV_ILN_120
912			\|a GBV_ILN_138
912			\|a GBV_ILN_150
912			\|a GBV_ILN_151
912			\|a GBV_ILN_152
912			\|a GBV_ILN_161
912			\|a GBV_ILN_170
912			\|a GBV_ILN_171
912			\|a GBV_ILN_187
912			\|a GBV_ILN_211
912			\|a GBV_ILN_213
912			\|a GBV_ILN_224
912			\|a GBV_ILN_230
912			\|a GBV_ILN_250
912			\|a GBV_ILN_267
912			\|a GBV_ILN_281
912			\|a GBV_ILN_285
912			\|a GBV_ILN_293
912			\|a GBV_ILN_370
912			\|a GBV_ILN_602
912			\|a GBV_ILN_636
912			\|a GBV_ILN_647
912			\|a GBV_ILN_702
912			\|a GBV_ILN_2001
912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
912			\|a GBV_ILN_2006
912			\|a GBV_ILN_2007
912			\|a GBV_ILN_2008
912			\|a GBV_ILN_2009
912			\|a GBV_ILN_2010
912			\|a GBV_ILN_2011
912			\|a GBV_ILN_2014
912			\|a GBV_ILN_2015
912			\|a GBV_ILN_2020
912			\|a GBV_ILN_2021
912			\|a GBV_ILN_2025
912			\|a GBV_ILN_2026
912			\|a GBV_ILN_2027
912			\|a GBV_ILN_2031
912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2037
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2039
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2055
912			\|a GBV_ILN_2056
912			\|a GBV_ILN_2057
912			\|a GBV_ILN_2059
912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
912			\|a GBV_ILN_2088
912			\|a GBV_ILN_2093
912			\|a GBV_ILN_2106
912			\|a GBV_ILN_2107
912			\|a GBV_ILN_2108
912			\|a GBV_ILN_2110
912			\|a GBV_ILN_2111
912			\|a GBV_ILN_2112
912			\|a GBV_ILN_2113
912			\|a GBV_ILN_2118
912			\|a GBV_ILN_2122
912			\|a GBV_ILN_2129
912			\|a GBV_ILN_2143
912			\|a GBV_ILN_2144
912			\|a GBV_ILN_2147
912			\|a GBV_ILN_2148
912			\|a GBV_ILN_2152
912			\|a GBV_ILN_2153
912			\|a GBV_ILN_2188
912			\|a GBV_ILN_2190
912			\|a GBV_ILN_2232
912			\|a GBV_ILN_2336
912			\|a GBV_ILN_2446
912			\|a GBV_ILN_2470
912			\|a GBV_ILN_2472
912			\|a GBV_ILN_2507
912			\|a GBV_ILN_2522
912			\|a GBV_ILN_2548
912			\|a GBV_ILN_4035
912			\|a GBV_ILN_4037
912			\|a GBV_ILN_4046
912			\|a GBV_ILN_4112
912			\|a GBV_ILN_4125
912			\|a GBV_ILN_4126
912			\|a GBV_ILN_4242
912			\|a GBV_ILN_4246
912			\|a GBV_ILN_4249
912			\|a GBV_ILN_4251
912			\|a GBV_ILN_4277
912			\|a GBV_ILN_4305
912			\|a GBV_ILN_4306
912			\|a GBV_ILN_4307
912			\|a GBV_ILN_4313
912			\|a GBV_ILN_4322
912			\|a GBV_ILN_4323
912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4328
912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4336
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Indexfelder

author_variant	k t kt p s ps k d kd j p jp
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allfields	10.1007/s00438-022-01873-7 doi (DE-627)SPR046604561 (SPR)s00438-022-01873-7-e DE-627 ger DE-627 rakwb eng Tailor, Krishma verfasserin aut Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly regulated for homeostatic control of intracellular (p)ppGpp levels. Characterization of the mutant studied here indicates that moderate level expression of RelA appreciably reduces growth of cells wherein the basal levels of (p)ppGpp are higher than in the wild type without elevating the levels further. Consistent with this result, a large part of the growth inhibition effect is reproduced by overexpression of RelA NTD-CTD fusion lacking the (p)ppGpp synthesis function. A null mutation in relA abolishes this growth inhibitory effect suggesting its requirement for basal level synthesis of (p)ppGpp. Accordingly, increase in the (p)ppGpp levels in the relA1 mutant by spoT202 mutation largely restored the growth inhibitory effects of overexpression of RelA NTD-CTD fusion. Expression of this construct consisting of 119 amino acids of the N-terminal hydrolytic domain (HD) fused in-frame with the CTD domain (±TGS domain) renders the growth inhibitory effects (p)ppGpp-responsive-inhibited growth only of spoT1 and spoT202 relA1 mutants. This finding uncovered an hitherto unrealized (p)ppGpp-dependent regulation of RelA-CTD function, unraveling the importance of RelA NTD-HD domain for its regulatory role. An incremental rise in the (p)ppGpp levels is proposed to progressively modulate the interaction of RelA-CTD with the ribosomes with possible implications in the feedback regulation of the (p)ppGpp synthesis function, a proposal that accounts for the nonlinear kinetics of (p)ppGpp synthesis and increased ratio of RelA:ribosomes, both in vitro as well as in vivo. (p)ppGpp (dpeaa)DE-He213 RelA (dpeaa)DE-He213 HD domain (dpeaa)DE-He213 RelA-CTD (dpeaa)DE-He213 Sagar, Prarthi aut Dave, Keyur aut Pohnerkar, Jayashree (orcid)0000-0003-0168-3328 aut Enthalten in Molecular genetics and genomics Berlin : Springer, 1908 297(2022), 2 vom: März, Seite 601-620 (DE-627)254630243 (DE-600)1462070-4 1432-1874 nnns volume:297 year:2022 number:2 month:03 pages:601-620 https://dx.doi.org/10.1007/s00438-022-01873-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_211 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 297 2022 2 03 601-620
spelling	10.1007/s00438-022-01873-7 doi (DE-627)SPR046604561 (SPR)s00438-022-01873-7-e DE-627 ger DE-627 rakwb eng Tailor, Krishma verfasserin aut Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly regulated for homeostatic control of intracellular (p)ppGpp levels. Characterization of the mutant studied here indicates that moderate level expression of RelA appreciably reduces growth of cells wherein the basal levels of (p)ppGpp are higher than in the wild type without elevating the levels further. Consistent with this result, a large part of the growth inhibition effect is reproduced by overexpression of RelA NTD-CTD fusion lacking the (p)ppGpp synthesis function. A null mutation in relA abolishes this growth inhibitory effect suggesting its requirement for basal level synthesis of (p)ppGpp. Accordingly, increase in the (p)ppGpp levels in the relA1 mutant by spoT202 mutation largely restored the growth inhibitory effects of overexpression of RelA NTD-CTD fusion. Expression of this construct consisting of 119 amino acids of the N-terminal hydrolytic domain (HD) fused in-frame with the CTD domain (±TGS domain) renders the growth inhibitory effects (p)ppGpp-responsive-inhibited growth only of spoT1 and spoT202 relA1 mutants. This finding uncovered an hitherto unrealized (p)ppGpp-dependent regulation of RelA-CTD function, unraveling the importance of RelA NTD-HD domain for its regulatory role. An incremental rise in the (p)ppGpp levels is proposed to progressively modulate the interaction of RelA-CTD with the ribosomes with possible implications in the feedback regulation of the (p)ppGpp synthesis function, a proposal that accounts for the nonlinear kinetics of (p)ppGpp synthesis and increased ratio of RelA:ribosomes, both in vitro as well as in vivo. (p)ppGpp (dpeaa)DE-He213 RelA (dpeaa)DE-He213 HD domain (dpeaa)DE-He213 RelA-CTD (dpeaa)DE-He213 Sagar, Prarthi aut Dave, Keyur aut Pohnerkar, Jayashree (orcid)0000-0003-0168-3328 aut Enthalten in Molecular genetics and genomics Berlin : Springer, 1908 297(2022), 2 vom: März, Seite 601-620 (DE-627)254630243 (DE-600)1462070-4 1432-1874 nnns volume:297 year:2022 number:2 month:03 pages:601-620 https://dx.doi.org/10.1007/s00438-022-01873-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_211 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 297 2022 2 03 601-620
allfields_unstemmed	10.1007/s00438-022-01873-7 doi (DE-627)SPR046604561 (SPR)s00438-022-01873-7-e DE-627 ger DE-627 rakwb eng Tailor, Krishma verfasserin aut Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly regulated for homeostatic control of intracellular (p)ppGpp levels. Characterization of the mutant studied here indicates that moderate level expression of RelA appreciably reduces growth of cells wherein the basal levels of (p)ppGpp are higher than in the wild type without elevating the levels further. Consistent with this result, a large part of the growth inhibition effect is reproduced by overexpression of RelA NTD-CTD fusion lacking the (p)ppGpp synthesis function. A null mutation in relA abolishes this growth inhibitory effect suggesting its requirement for basal level synthesis of (p)ppGpp. Accordingly, increase in the (p)ppGpp levels in the relA1 mutant by spoT202 mutation largely restored the growth inhibitory effects of overexpression of RelA NTD-CTD fusion. Expression of this construct consisting of 119 amino acids of the N-terminal hydrolytic domain (HD) fused in-frame with the CTD domain (±TGS domain) renders the growth inhibitory effects (p)ppGpp-responsive-inhibited growth only of spoT1 and spoT202 relA1 mutants. This finding uncovered an hitherto unrealized (p)ppGpp-dependent regulation of RelA-CTD function, unraveling the importance of RelA NTD-HD domain for its regulatory role. An incremental rise in the (p)ppGpp levels is proposed to progressively modulate the interaction of RelA-CTD with the ribosomes with possible implications in the feedback regulation of the (p)ppGpp synthesis function, a proposal that accounts for the nonlinear kinetics of (p)ppGpp synthesis and increased ratio of RelA:ribosomes, both in vitro as well as in vivo. (p)ppGpp (dpeaa)DE-He213 RelA (dpeaa)DE-He213 HD domain (dpeaa)DE-He213 RelA-CTD (dpeaa)DE-He213 Sagar, Prarthi aut Dave, Keyur aut Pohnerkar, Jayashree (orcid)0000-0003-0168-3328 aut Enthalten in Molecular genetics and genomics Berlin : Springer, 1908 297(2022), 2 vom: März, Seite 601-620 (DE-627)254630243 (DE-600)1462070-4 1432-1874 nnns volume:297 year:2022 number:2 month:03 pages:601-620 https://dx.doi.org/10.1007/s00438-022-01873-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_211 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 297 2022 2 03 601-620
allfieldsGer	10.1007/s00438-022-01873-7 doi (DE-627)SPR046604561 (SPR)s00438-022-01873-7-e DE-627 ger DE-627 rakwb eng Tailor, Krishma verfasserin aut Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly regulated for homeostatic control of intracellular (p)ppGpp levels. Characterization of the mutant studied here indicates that moderate level expression of RelA appreciably reduces growth of cells wherein the basal levels of (p)ppGpp are higher than in the wild type without elevating the levels further. Consistent with this result, a large part of the growth inhibition effect is reproduced by overexpression of RelA NTD-CTD fusion lacking the (p)ppGpp synthesis function. A null mutation in relA abolishes this growth inhibitory effect suggesting its requirement for basal level synthesis of (p)ppGpp. Accordingly, increase in the (p)ppGpp levels in the relA1 mutant by spoT202 mutation largely restored the growth inhibitory effects of overexpression of RelA NTD-CTD fusion. Expression of this construct consisting of 119 amino acids of the N-terminal hydrolytic domain (HD) fused in-frame with the CTD domain (±TGS domain) renders the growth inhibitory effects (p)ppGpp-responsive-inhibited growth only of spoT1 and spoT202 relA1 mutants. This finding uncovered an hitherto unrealized (p)ppGpp-dependent regulation of RelA-CTD function, unraveling the importance of RelA NTD-HD domain for its regulatory role. An incremental rise in the (p)ppGpp levels is proposed to progressively modulate the interaction of RelA-CTD with the ribosomes with possible implications in the feedback regulation of the (p)ppGpp synthesis function, a proposal that accounts for the nonlinear kinetics of (p)ppGpp synthesis and increased ratio of RelA:ribosomes, both in vitro as well as in vivo. (p)ppGpp (dpeaa)DE-He213 RelA (dpeaa)DE-He213 HD domain (dpeaa)DE-He213 RelA-CTD (dpeaa)DE-He213 Sagar, Prarthi aut Dave, Keyur aut Pohnerkar, Jayashree (orcid)0000-0003-0168-3328 aut Enthalten in Molecular genetics and genomics Berlin : Springer, 1908 297(2022), 2 vom: März, Seite 601-620 (DE-627)254630243 (DE-600)1462070-4 1432-1874 nnns volume:297 year:2022 number:2 month:03 pages:601-620 https://dx.doi.org/10.1007/s00438-022-01873-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_211 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 297 2022 2 03 601-620
allfieldsSound	10.1007/s00438-022-01873-7 doi (DE-627)SPR046604561 (SPR)s00438-022-01873-7-e DE-627 ger DE-627 rakwb eng Tailor, Krishma verfasserin aut Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly regulated for homeostatic control of intracellular (p)ppGpp levels. Characterization of the mutant studied here indicates that moderate level expression of RelA appreciably reduces growth of cells wherein the basal levels of (p)ppGpp are higher than in the wild type without elevating the levels further. Consistent with this result, a large part of the growth inhibition effect is reproduced by overexpression of RelA NTD-CTD fusion lacking the (p)ppGpp synthesis function. A null mutation in relA abolishes this growth inhibitory effect suggesting its requirement for basal level synthesis of (p)ppGpp. Accordingly, increase in the (p)ppGpp levels in the relA1 mutant by spoT202 mutation largely restored the growth inhibitory effects of overexpression of RelA NTD-CTD fusion. Expression of this construct consisting of 119 amino acids of the N-terminal hydrolytic domain (HD) fused in-frame with the CTD domain (±TGS domain) renders the growth inhibitory effects (p)ppGpp-responsive-inhibited growth only of spoT1 and spoT202 relA1 mutants. This finding uncovered an hitherto unrealized (p)ppGpp-dependent regulation of RelA-CTD function, unraveling the importance of RelA NTD-HD domain for its regulatory role. An incremental rise in the (p)ppGpp levels is proposed to progressively modulate the interaction of RelA-CTD with the ribosomes with possible implications in the feedback regulation of the (p)ppGpp synthesis function, a proposal that accounts for the nonlinear kinetics of (p)ppGpp synthesis and increased ratio of RelA:ribosomes, both in vitro as well as in vivo. (p)ppGpp (dpeaa)DE-He213 RelA (dpeaa)DE-He213 HD domain (dpeaa)DE-He213 RelA-CTD (dpeaa)DE-He213 Sagar, Prarthi aut Dave, Keyur aut Pohnerkar, Jayashree (orcid)0000-0003-0168-3328 aut Enthalten in Molecular genetics and genomics Berlin : Springer, 1908 297(2022), 2 vom: März, Seite 601-620 (DE-627)254630243 (DE-600)1462070-4 1432-1874 nnns volume:297 year:2022 number:2 month:03 pages:601-620 https://dx.doi.org/10.1007/s00438-022-01873-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_211 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 297 2022 2 03 601-620
language	English
source	Enthalten in Molecular genetics and genomics 297(2022), 2 vom: März, Seite 601-620 volume:297 year:2022 number:2 month:03 pages:601-620
sourceStr	Enthalten in Molecular genetics and genomics 297(2022), 2 vom: März, Seite 601-620 volume:297 year:2022 number:2 month:03 pages:601-620
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	(p)ppGpp RelA HD domain RelA-CTD
isfreeaccess_bool	false
container_title	Molecular genetics and genomics
authorswithroles_txt_mv	Tailor, Krishma @@aut@@ Sagar, Prarthi @@aut@@ Dave, Keyur @@aut@@ Pohnerkar, Jayashree @@aut@@
publishDateDaySort_date	2022-03-01T00:00:00Z
hierarchy_top_id	254630243
id	SPR046604561
language_de	englisch
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author	Tailor, Krishma
spellingShingle	Tailor, Krishma misc (p)ppGpp misc RelA misc HD domain misc RelA-CTD Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent
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topic_title	Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent (p)ppGpp (dpeaa)DE-He213 RelA (dpeaa)DE-He213 HD domain (dpeaa)DE-He213 RelA-CTD (dpeaa)DE-He213
topic	misc (p)ppGpp misc RelA misc HD domain misc RelA-CTD
topic_unstemmed	misc (p)ppGpp misc RelA misc HD domain misc RelA-CTD
topic_browse	misc (p)ppGpp misc RelA misc HD domain misc RelA-CTD
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title	Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent
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title_full	Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent
author_sort	Tailor, Krishma
journal	Molecular genetics and genomics
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author_browse	Tailor, Krishma Sagar, Prarthi Dave, Keyur Pohnerkar, Jayashree
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author-letter	Tailor, Krishma
doi_str_mv	10.1007/s00438-022-01873-7
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title_sort	fusion of the n-terminal 119 amino acids of rela with the ctd domain render growth inhibitory effects of the latter, (p)ppgpp-dependent
title_auth	Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent
abstract	Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly regulated for homeostatic control of intracellular (p)ppGpp levels. Characterization of the mutant studied here indicates that moderate level expression of RelA appreciably reduces growth of cells wherein the basal levels of (p)ppGpp are higher than in the wild type without elevating the levels further. Consistent with this result, a large part of the growth inhibition effect is reproduced by overexpression of RelA NTD-CTD fusion lacking the (p)ppGpp synthesis function. A null mutation in relA abolishes this growth inhibitory effect suggesting its requirement for basal level synthesis of (p)ppGpp. Accordingly, increase in the (p)ppGpp levels in the relA1 mutant by spoT202 mutation largely restored the growth inhibitory effects of overexpression of RelA NTD-CTD fusion. Expression of this construct consisting of 119 amino acids of the N-terminal hydrolytic domain (HD) fused in-frame with the CTD domain (±TGS domain) renders the growth inhibitory effects (p)ppGpp-responsive-inhibited growth only of spoT1 and spoT202 relA1 mutants. This finding uncovered an hitherto unrealized (p)ppGpp-dependent regulation of RelA-CTD function, unraveling the importance of RelA NTD-HD domain for its regulatory role. An incremental rise in the (p)ppGpp levels is proposed to progressively modulate the interaction of RelA-CTD with the ribosomes with possible implications in the feedback regulation of the (p)ppGpp synthesis function, a proposal that accounts for the nonlinear kinetics of (p)ppGpp synthesis and increased ratio of RelA:ribosomes, both in vitro as well as in vivo. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
abstractGer	Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly regulated for homeostatic control of intracellular (p)ppGpp levels. Characterization of the mutant studied here indicates that moderate level expression of RelA appreciably reduces growth of cells wherein the basal levels of (p)ppGpp are higher than in the wild type without elevating the levels further. Consistent with this result, a large part of the growth inhibition effect is reproduced by overexpression of RelA NTD-CTD fusion lacking the (p)ppGpp synthesis function. A null mutation in relA abolishes this growth inhibitory effect suggesting its requirement for basal level synthesis of (p)ppGpp. Accordingly, increase in the (p)ppGpp levels in the relA1 mutant by spoT202 mutation largely restored the growth inhibitory effects of overexpression of RelA NTD-CTD fusion. Expression of this construct consisting of 119 amino acids of the N-terminal hydrolytic domain (HD) fused in-frame with the CTD domain (±TGS domain) renders the growth inhibitory effects (p)ppGpp-responsive-inhibited growth only of spoT1 and spoT202 relA1 mutants. This finding uncovered an hitherto unrealized (p)ppGpp-dependent regulation of RelA-CTD function, unraveling the importance of RelA NTD-HD domain for its regulatory role. An incremental rise in the (p)ppGpp levels is proposed to progressively modulate the interaction of RelA-CTD with the ribosomes with possible implications in the feedback regulation of the (p)ppGpp synthesis function, a proposal that accounts for the nonlinear kinetics of (p)ppGpp synthesis and increased ratio of RelA:ribosomes, both in vitro as well as in vivo. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
abstract_unstemmed	Abstract The guanosine nucleotide derivatives ppGpp and pppGpp are central to the remarkable capacity of bacteria to adapt to fluctuating environments and metabolic perturbations. They are synthesized by two proteins, RelA and SpoT in E. coli and the activities of each of the two enzymes are highly regulated for homeostatic control of intracellular (p)ppGpp levels. Characterization of the mutant studied here indicates that moderate level expression of RelA appreciably reduces growth of cells wherein the basal levels of (p)ppGpp are higher than in the wild type without elevating the levels further. Consistent with this result, a large part of the growth inhibition effect is reproduced by overexpression of RelA NTD-CTD fusion lacking the (p)ppGpp synthesis function. A null mutation in relA abolishes this growth inhibitory effect suggesting its requirement for basal level synthesis of (p)ppGpp. Accordingly, increase in the (p)ppGpp levels in the relA1 mutant by spoT202 mutation largely restored the growth inhibitory effects of overexpression of RelA NTD-CTD fusion. Expression of this construct consisting of 119 amino acids of the N-terminal hydrolytic domain (HD) fused in-frame with the CTD domain (±TGS domain) renders the growth inhibitory effects (p)ppGpp-responsive-inhibited growth only of spoT1 and spoT202 relA1 mutants. This finding uncovered an hitherto unrealized (p)ppGpp-dependent regulation of RelA-CTD function, unraveling the importance of RelA NTD-HD domain for its regulatory role. An incremental rise in the (p)ppGpp levels is proposed to progressively modulate the interaction of RelA-CTD with the ribosomes with possible implications in the feedback regulation of the (p)ppGpp synthesis function, a proposal that accounts for the nonlinear kinetics of (p)ppGpp synthesis and increased ratio of RelA:ribosomes, both in vitro as well as in vivo. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022
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title_short	Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent
url	https://dx.doi.org/10.1007/s00438-022-01873-7
remote_bool	true
author2	Sagar, Prarthi Dave, Keyur Pohnerkar, Jayashree
author2Str	Sagar, Prarthi Dave, Keyur Pohnerkar, Jayashree
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doi_str	10.1007/s00438-022-01873-7
up_date	2024-07-03T23:29:44.616Z
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Fusion of the N-terminal 119 amino acids of RelA with the CTD domain render growth inhibitory effects of the latter, (p)ppGpp-dependent

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