Differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in Hordeum vulgare
A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was...
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1973 |
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| Reproduktion: |
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 |
|---|---|
| Übergeordnetes Werk: |
in: Radiation Botany - Amsterdam : Elsevier, 13(1973), 6, Seite 315-322 |
| Übergeordnetes Werk: |
volume:13 ; year:1973 ; number:6 ; pages:315-322 |
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NLEJ185413765 |
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| 245 | 1 | 0 | |a Differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in Hordeum vulgare |
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| 520 | |a A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor. | ||
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(DE-627)NLEJ185413765 (DE-599)GBVNLZ185413765 DE-627 ger DE-627 rakwb eng Differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in Hordeum vulgare 1973 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Sideris, E.G. oth Nilan, R.A. oth Bogyo, T.P. oth in Radiation Botany Amsterdam : Elsevier 13(1973), 6, Seite 315-322 (DE-627)NLEJ177065656 (DE-600)2202068-8 0033-7560 nnns volume:13 year:1973 number:6 pages:315-322 http://dx.doi.org/10.1016/S0033-7560(73)90057-4 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 13 1973 6 315-322 |
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(DE-627)NLEJ185413765 (DE-599)GBVNLZ185413765 DE-627 ger DE-627 rakwb eng Differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in Hordeum vulgare 1973 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Sideris, E.G. oth Nilan, R.A. oth Bogyo, T.P. oth in Radiation Botany Amsterdam : Elsevier 13(1973), 6, Seite 315-322 (DE-627)NLEJ177065656 (DE-600)2202068-8 0033-7560 nnns volume:13 year:1973 number:6 pages:315-322 http://dx.doi.org/10.1016/S0033-7560(73)90057-4 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 13 1973 6 315-322 |
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(DE-627)NLEJ185413765 (DE-599)GBVNLZ185413765 DE-627 ger DE-627 rakwb eng Differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in Hordeum vulgare 1973 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Sideris, E.G. oth Nilan, R.A. oth Bogyo, T.P. oth in Radiation Botany Amsterdam : Elsevier 13(1973), 6, Seite 315-322 (DE-627)NLEJ177065656 (DE-600)2202068-8 0033-7560 nnns volume:13 year:1973 number:6 pages:315-322 http://dx.doi.org/10.1016/S0033-7560(73)90057-4 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 13 1973 6 315-322 |
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(DE-627)NLEJ185413765 (DE-599)GBVNLZ185413765 DE-627 ger DE-627 rakwb eng Differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in Hordeum vulgare 1973 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Sideris, E.G. oth Nilan, R.A. oth Bogyo, T.P. oth in Radiation Botany Amsterdam : Elsevier 13(1973), 6, Seite 315-322 (DE-627)NLEJ177065656 (DE-600)2202068-8 0033-7560 nnns volume:13 year:1973 number:6 pages:315-322 http://dx.doi.org/10.1016/S0033-7560(73)90057-4 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 13 1973 6 315-322 |
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(DE-627)NLEJ185413765 (DE-599)GBVNLZ185413765 DE-627 ger DE-627 rakwb eng Differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in Hordeum vulgare 1973 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Sideris, E.G. oth Nilan, R.A. oth Bogyo, T.P. oth in Radiation Botany Amsterdam : Elsevier 13(1973), 6, Seite 315-322 (DE-627)NLEJ177065656 (DE-600)2202068-8 0033-7560 nnns volume:13 year:1973 number:6 pages:315-322 http://dx.doi.org/10.1016/S0033-7560(73)90057-4 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 13 1973 6 315-322 |
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differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in hordeum vulgare |
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Differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in Hordeum vulgare |
| abstract |
A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor. |
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A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor. |
| abstract_unstemmed |
A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">NLEJ185413765</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20210707015134.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">070506s1973 xx |||||o 00| ||eng c</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ185413765</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)GBVNLZ185413765</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Differential effect of sodium azide on the frequency of radiation-induced chromosome aberrations vs. the frequency of radiation-induced chlorophyll mutations in Hordeum vulgare</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1973</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">z</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zu</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">A considerable synergistic increase of the frequency of cells carrying chromosome aberrations was observed in seeds of Hordeum vulgare, variety Himalaya, irradiated dry with gamma rays and hydrated in sodium azide solutions buffered at pH 3, 7 and 11. This effect, which was most evident at pH 3, was detected throughout development up to the formation of the male gametophyte. No synergistic increase of the frequency of radiation-induced chlorophyll-deficient mutants was observed. This differential effect of the sodium azide post-irradiation treatment on the frequency of chromosome aberrations vs. the frequency of mutations is attributed to the formation of two kinds of lesions in the genetic material of barley following exposure to gamma rays. One kind of lesion, similar to those leading to point mutations in procaryotes, is reparable at low energy potentials and, thus, its frequency is not affected by the sodium azide treatment. The other kind of lesion is associated with chromosome breaks and its repair is affected by the presence of the enzymatic inhibitor.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="f">Elsevier Journal Backfiles on ScienceDirect 1907 - 2002</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Sideris, E.G.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Nilan, R.A.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Bogyo, T.P.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">in</subfield><subfield code="t">Radiation Botany</subfield><subfield code="d">Amsterdam : Elsevier</subfield><subfield code="g">13(1973), 6, Seite 315-322</subfield><subfield code="w">(DE-627)NLEJ177065656</subfield><subfield code="w">(DE-600)2202068-8</subfield><subfield code="x">0033-7560</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:13</subfield><subfield code="g">year:1973</subfield><subfield code="g">number:6</subfield><subfield code="g">pages:315-322</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://dx.doi.org/10.1016/S0033-7560(73)90057-4</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_H</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-SDJ</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">13</subfield><subfield code="j">1973</subfield><subfield code="e">6</subfield><subfield code="h">315-322</subfield></datafield></record></collection>
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