A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation
Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that t...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Figueiredo, Luisa M. [verfasserIn] Freitas‐Junior, Lúcio H. [verfasserIn] Bottius, Emmanuel [verfasserIn] Olivo‐Marin, Jean‐Christophe [verfasserIn] Scherf, Artur [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2002 |
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| Schlagwörter: |
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| Anmerkung: |
© European Molecular Biology Organization 2002 |
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| Übergeordnetes Werk: |
Enthalten in: The EMBO Journal - Nature Publishing Group UK, 2023, 21(2002), 4 vom: 15. Feb., Seite 815-824 |
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| Übergeordnetes Werk: |
volume:21 ; year:2002 ; number:4 ; day:15 ; month:02 ; pages:815-824 |
| Links: |
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| DOI / URN: |
10.1093/emboj/21.4.815 |
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| Katalog-ID: |
SPR057896712 |
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| 100 | 1 | |a Figueiredo, Luisa M. |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation |
| 264 | 1 | |c 2002 | |
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| 520 | |a Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that the physical tethering of chromosome ends enhances the ectopic recombination between gene families involved in antigenic variation and parasite sequestration. Using FISH analysis, we observed that chromosome ends lacking the subtelomeric region are usually delocalized from telomere clusters, but still remain at the nuclear periphery. This indicates that subtelomeric DNA is necessary for cluster formation but is not essential for peripheral positioning. Intriguingly, these truncated chromosomes have unusually long telomeric tracts (up to three times longer than average length), showing that TASs play a role in telomere length regulation. On these chromosomes, the newly formed telomere frequently extends from truncated genes leading, in some cases, to the transcription of telomeric DNA. The implications of both subtelomeric gene expression and nuclear architecture in the virulence of this serious human pathogen are discussed. | ||
| 650 | 4 | |a malaria |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a nuclear architecture |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a telomere‐associated sequences |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a telomere clustering |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a telomere length |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Freitas‐Junior, Lúcio H. |e verfasserin |4 aut | |
| 700 | 1 | |a Bottius, Emmanuel |e verfasserin |4 aut | |
| 700 | 1 | |a Olivo‐Marin, Jean‐Christophe |e verfasserin |4 aut | |
| 700 | 1 | |a Scherf, Artur |e verfasserin |4 aut | |
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10.1093/emboj/21.4.815 doi (DE-627)SPR057896712 (SPR)21.4.815-e DE-627 ger DE-627 rakwb eng Figueiredo, Luisa M. verfasserin aut A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 2002 Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that the physical tethering of chromosome ends enhances the ectopic recombination between gene families involved in antigenic variation and parasite sequestration. Using FISH analysis, we observed that chromosome ends lacking the subtelomeric region are usually delocalized from telomere clusters, but still remain at the nuclear periphery. This indicates that subtelomeric DNA is necessary for cluster formation but is not essential for peripheral positioning. Intriguingly, these truncated chromosomes have unusually long telomeric tracts (up to three times longer than average length), showing that TASs play a role in telomere length regulation. On these chromosomes, the newly formed telomere frequently extends from truncated genes leading, in some cases, to the transcription of telomeric DNA. The implications of both subtelomeric gene expression and nuclear architecture in the virulence of this serious human pathogen are discussed. malaria (dpeaa)DE-He213 nuclear architecture (dpeaa)DE-He213 telomere‐associated sequences (dpeaa)DE-He213 telomere clustering (dpeaa)DE-He213 telomere length (dpeaa)DE-He213 Freitas‐Junior, Lúcio H. verfasserin aut Bottius, Emmanuel verfasserin aut Olivo‐Marin, Jean‐Christophe verfasserin aut Scherf, Artur verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 21(2002), 4 vom: 15. Feb., Seite 815-824 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:21 year:2002 number:4 day:15 month:02 pages:815-824 https://dx.doi.org/10.1093/emboj/21.4.815 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER 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_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 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_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 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_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 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_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 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_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4367 GBV_ILN_4393 GBV_ILN_4700 AR 21 2002 4 15 02 815-824 |
| spelling |
10.1093/emboj/21.4.815 doi (DE-627)SPR057896712 (SPR)21.4.815-e DE-627 ger DE-627 rakwb eng Figueiredo, Luisa M. verfasserin aut A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 2002 Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that the physical tethering of chromosome ends enhances the ectopic recombination between gene families involved in antigenic variation and parasite sequestration. Using FISH analysis, we observed that chromosome ends lacking the subtelomeric region are usually delocalized from telomere clusters, but still remain at the nuclear periphery. This indicates that subtelomeric DNA is necessary for cluster formation but is not essential for peripheral positioning. Intriguingly, these truncated chromosomes have unusually long telomeric tracts (up to three times longer than average length), showing that TASs play a role in telomere length regulation. On these chromosomes, the newly formed telomere frequently extends from truncated genes leading, in some cases, to the transcription of telomeric DNA. The implications of both subtelomeric gene expression and nuclear architecture in the virulence of this serious human pathogen are discussed. malaria (dpeaa)DE-He213 nuclear architecture (dpeaa)DE-He213 telomere‐associated sequences (dpeaa)DE-He213 telomere clustering (dpeaa)DE-He213 telomere length (dpeaa)DE-He213 Freitas‐Junior, Lúcio H. verfasserin aut Bottius, Emmanuel verfasserin aut Olivo‐Marin, Jean‐Christophe verfasserin aut Scherf, Artur verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 21(2002), 4 vom: 15. Feb., Seite 815-824 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:21 year:2002 number:4 day:15 month:02 pages:815-824 https://dx.doi.org/10.1093/emboj/21.4.815 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER 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_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 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_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 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_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 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_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 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_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4367 GBV_ILN_4393 GBV_ILN_4700 AR 21 2002 4 15 02 815-824 |
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10.1093/emboj/21.4.815 doi (DE-627)SPR057896712 (SPR)21.4.815-e DE-627 ger DE-627 rakwb eng Figueiredo, Luisa M. verfasserin aut A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 2002 Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that the physical tethering of chromosome ends enhances the ectopic recombination between gene families involved in antigenic variation and parasite sequestration. Using FISH analysis, we observed that chromosome ends lacking the subtelomeric region are usually delocalized from telomere clusters, but still remain at the nuclear periphery. This indicates that subtelomeric DNA is necessary for cluster formation but is not essential for peripheral positioning. Intriguingly, these truncated chromosomes have unusually long telomeric tracts (up to three times longer than average length), showing that TASs play a role in telomere length regulation. On these chromosomes, the newly formed telomere frequently extends from truncated genes leading, in some cases, to the transcription of telomeric DNA. The implications of both subtelomeric gene expression and nuclear architecture in the virulence of this serious human pathogen are discussed. malaria (dpeaa)DE-He213 nuclear architecture (dpeaa)DE-He213 telomere‐associated sequences (dpeaa)DE-He213 telomere clustering (dpeaa)DE-He213 telomere length (dpeaa)DE-He213 Freitas‐Junior, Lúcio H. verfasserin aut Bottius, Emmanuel verfasserin aut Olivo‐Marin, Jean‐Christophe verfasserin aut Scherf, Artur verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 21(2002), 4 vom: 15. Feb., Seite 815-824 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:21 year:2002 number:4 day:15 month:02 pages:815-824 https://dx.doi.org/10.1093/emboj/21.4.815 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER 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_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 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_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 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_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 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_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 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_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4367 GBV_ILN_4393 GBV_ILN_4700 AR 21 2002 4 15 02 815-824 |
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10.1093/emboj/21.4.815 doi (DE-627)SPR057896712 (SPR)21.4.815-e DE-627 ger DE-627 rakwb eng Figueiredo, Luisa M. verfasserin aut A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 2002 Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that the physical tethering of chromosome ends enhances the ectopic recombination between gene families involved in antigenic variation and parasite sequestration. Using FISH analysis, we observed that chromosome ends lacking the subtelomeric region are usually delocalized from telomere clusters, but still remain at the nuclear periphery. This indicates that subtelomeric DNA is necessary for cluster formation but is not essential for peripheral positioning. Intriguingly, these truncated chromosomes have unusually long telomeric tracts (up to three times longer than average length), showing that TASs play a role in telomere length regulation. On these chromosomes, the newly formed telomere frequently extends from truncated genes leading, in some cases, to the transcription of telomeric DNA. The implications of both subtelomeric gene expression and nuclear architecture in the virulence of this serious human pathogen are discussed. malaria (dpeaa)DE-He213 nuclear architecture (dpeaa)DE-He213 telomere‐associated sequences (dpeaa)DE-He213 telomere clustering (dpeaa)DE-He213 telomere length (dpeaa)DE-He213 Freitas‐Junior, Lúcio H. verfasserin aut Bottius, Emmanuel verfasserin aut Olivo‐Marin, Jean‐Christophe verfasserin aut Scherf, Artur verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 21(2002), 4 vom: 15. Feb., Seite 815-824 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:21 year:2002 number:4 day:15 month:02 pages:815-824 https://dx.doi.org/10.1093/emboj/21.4.815 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER 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_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 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_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 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_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 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_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 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_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4367 GBV_ILN_4393 GBV_ILN_4700 AR 21 2002 4 15 02 815-824 |
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10.1093/emboj/21.4.815 doi (DE-627)SPR057896712 (SPR)21.4.815-e DE-627 ger DE-627 rakwb eng Figueiredo, Luisa M. verfasserin aut A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation 2002 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © European Molecular Biology Organization 2002 Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that the physical tethering of chromosome ends enhances the ectopic recombination between gene families involved in antigenic variation and parasite sequestration. Using FISH analysis, we observed that chromosome ends lacking the subtelomeric region are usually delocalized from telomere clusters, but still remain at the nuclear periphery. This indicates that subtelomeric DNA is necessary for cluster formation but is not essential for peripheral positioning. Intriguingly, these truncated chromosomes have unusually long telomeric tracts (up to three times longer than average length), showing that TASs play a role in telomere length regulation. On these chromosomes, the newly formed telomere frequently extends from truncated genes leading, in some cases, to the transcription of telomeric DNA. The implications of both subtelomeric gene expression and nuclear architecture in the virulence of this serious human pathogen are discussed. malaria (dpeaa)DE-He213 nuclear architecture (dpeaa)DE-He213 telomere‐associated sequences (dpeaa)DE-He213 telomere clustering (dpeaa)DE-He213 telomere length (dpeaa)DE-He213 Freitas‐Junior, Lúcio H. verfasserin aut Bottius, Emmanuel verfasserin aut Olivo‐Marin, Jean‐Christophe verfasserin aut Scherf, Artur verfasserin aut Enthalten in The EMBO Journal Nature Publishing Group UK, 2023 21(2002), 4 vom: 15. Feb., Seite 815-824 (DE-627)266022529 (DE-600)1467419-1 1460-2075 nnns volume:21 year:2002 number:4 day:15 month:02 pages:815-824 https://dx.doi.org/10.1093/emboj/21.4.815 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER 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_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_72 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_161 GBV_ILN_168 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_252 GBV_ILN_266 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_636 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_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 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_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2119 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_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4029 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4155 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4367 GBV_ILN_4393 GBV_ILN_4700 AR 21 2002 4 15 02 815-824 |
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Enthalten in The EMBO Journal 21(2002), 4 vom: 15. Feb., Seite 815-824 volume:21 year:2002 number:4 day:15 month:02 pages:815-824 |
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Figueiredo, Luisa M. @@aut@@ Freitas‐Junior, Lúcio H. @@aut@@ Bottius, Emmanuel @@aut@@ Olivo‐Marin, Jean‐Christophe @@aut@@ Scherf, Artur @@aut@@ |
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Figueiredo, Luisa M. |
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Figueiredo, Luisa M. misc malaria misc nuclear architecture misc telomere‐associated sequences misc telomere clustering misc telomere length A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation |
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A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation malaria (dpeaa)DE-He213 nuclear architecture (dpeaa)DE-He213 telomere‐associated sequences (dpeaa)DE-He213 telomere clustering (dpeaa)DE-He213 telomere length (dpeaa)DE-He213 |
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Figueiredo, Luisa M. Freitas‐Junior, Lúcio H. Bottius, Emmanuel Olivo‐Marin, Jean‐Christophe Scherf, Artur |
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a central role for plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation |
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A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation |
| abstract |
Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that the physical tethering of chromosome ends enhances the ectopic recombination between gene families involved in antigenic variation and parasite sequestration. Using FISH analysis, we observed that chromosome ends lacking the subtelomeric region are usually delocalized from telomere clusters, but still remain at the nuclear periphery. This indicates that subtelomeric DNA is necessary for cluster formation but is not essential for peripheral positioning. Intriguingly, these truncated chromosomes have unusually long telomeric tracts (up to three times longer than average length), showing that TASs play a role in telomere length regulation. On these chromosomes, the newly formed telomere frequently extends from truncated genes leading, in some cases, to the transcription of telomeric DNA. The implications of both subtelomeric gene expression and nuclear architecture in the virulence of this serious human pathogen are discussed. © European Molecular Biology Organization 2002 |
| abstractGer |
Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that the physical tethering of chromosome ends enhances the ectopic recombination between gene families involved in antigenic variation and parasite sequestration. Using FISH analysis, we observed that chromosome ends lacking the subtelomeric region are usually delocalized from telomere clusters, but still remain at the nuclear periphery. This indicates that subtelomeric DNA is necessary for cluster formation but is not essential for peripheral positioning. Intriguingly, these truncated chromosomes have unusually long telomeric tracts (up to three times longer than average length), showing that TASs play a role in telomere length regulation. On these chromosomes, the newly formed telomere frequently extends from truncated genes leading, in some cases, to the transcription of telomeric DNA. The implications of both subtelomeric gene expression and nuclear architecture in the virulence of this serious human pathogen are discussed. © European Molecular Biology Organization 2002 |
| abstract_unstemmed |
Abstract In the protozoan malaria parasite, Plasmodium falciparum, the telomere‐associated sequences (TASs) of the 14 linear chromosomes display a similar higher order organization and form clusters of four to seven telomeres localized at the nuclear periphery. Experimental evidence has shown that the physical tethering of chromosome ends enhances the ectopic recombination between gene families involved in antigenic variation and parasite sequestration. Using FISH analysis, we observed that chromosome ends lacking the subtelomeric region are usually delocalized from telomere clusters, but still remain at the nuclear periphery. This indicates that subtelomeric DNA is necessary for cluster formation but is not essential for peripheral positioning. Intriguingly, these truncated chromosomes have unusually long telomeric tracts (up to three times longer than average length), showing that TASs play a role in telomere length regulation. On these chromosomes, the newly formed telomere frequently extends from truncated genes leading, in some cases, to the transcription of telomeric DNA. The implications of both subtelomeric gene expression and nuclear architecture in the virulence of this serious human pathogen are discussed. © European Molecular Biology Organization 2002 |
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A central role for Plasmodium falciparum subtelomeric regions in spatial positioning and telomere length regulation |
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https://dx.doi.org/10.1093/emboj/21.4.815 |
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Freitas‐Junior, Lúcio H. Bottius, Emmanuel Olivo‐Marin, Jean‐Christophe Scherf, Artur |
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10.1093/emboj/21.4.815 |
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2024-10-19T04:52:19.748Z |
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| score |
7.4001417 |