In vitro morphogenic characteristics of phytochrome mutants in Nicotiana plumbaginifolia are modified and correlated to high indole-3-acetic acid levels
The involvement of indole-3-acetic acid (IAA) in the integration of the light signal perceived by phytochrome during the morphogenesis of plants was investigated in Nicotiana plumbaginifolia Viviani. The chromophore mutant pew1, deficient in all the phytochrome types, and the aurea-like mutant pew2,...
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| Veröffentlicht in: | Planta 1995-08, Vol.197 (1), p.142-146 |
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| description | The involvement of indole-3-acetic acid (IAA) in the integration of the light signal perceived by phytochrome during the morphogenesis of plants was investigated in Nicotiana plumbaginifolia Viviani. The chromophore mutant pew1, deficient in all the phytochrome types, and the aurea-like mutant pew2, which appears to be specifically deficient in phytochromes expressed in darkness, were analysed for IAA-related morphogenic effects such as rooting, shooting and callus formation. We observed, in the absence of exogenously applied hormones, abundant root formation by the pew2 mutant. The pew1 mutant exhibited callus formation in the presence of gibberellins and cytokinins when the wild type did not. The previously described lethality of the double mutant pew1-pew2 was shown to be hormone-dependent since, in the light, exogenously applied auxin and cytokinin (0.1 mg·l-1 each) led to plant regeneration from calli and subsequent normal development. These observations suggested an increase in the auxin○ytokinin ratio as a consequence of the phytochrome mutations. We correlated these morphogenic characteristics with high IAA levels in the mutants. The difference in IAA accumulation in the two mutants indicates that among the different phytochromes expressed by N. plumbaginifolia, the light-expressed isoforms play a major role in the control of IAA levels. |
| doi_str_mv | 10.1007/bf00239950 |
| format | Article |
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(Universite Pierre et Marie Curie, Paris (France). Lab. de Physiologie du Developpement des Plantes)</creator><creatorcontrib>Kraepiel, Y ; Marrec, K ; Sotta, B ; Caboche, M ; Miginiac, E. (Universite Pierre et Marie Curie, Paris (France). Lab. de Physiologie du Developpement des Plantes)</creatorcontrib><description>The involvement of indole-3-acetic acid (IAA) in the integration of the light signal perceived by phytochrome during the morphogenesis of plants was investigated in Nicotiana plumbaginifolia Viviani. The chromophore mutant pew1, deficient in all the phytochrome types, and the aurea-like mutant pew2, which appears to be specifically deficient in phytochromes expressed in darkness, were analysed for IAA-related morphogenic effects such as rooting, shooting and callus formation. We observed, in the absence of exogenously applied hormones, abundant root formation by the pew2 mutant. The pew1 mutant exhibited callus formation in the presence of gibberellins and cytokinins when the wild type did not. The previously described lethality of the double mutant pew1-pew2 was shown to be hormone-dependent since, in the light, exogenously applied auxin and cytokinin (0.1 mg·l-1 each) led to plant regeneration from calli and subsequent normal development. These observations suggested an increase in the auxin○ytokinin ratio as a consequence of the phytochrome mutations. We correlated these morphogenic characteristics with high IAA levels in the mutants. The difference in IAA accumulation in the two mutants indicates that among the different phytochromes expressed by N. plumbaginifolia, the light-expressed isoforms play a major role in the control of IAA levels.</description><identifier>ISSN: 0032-0935</identifier><identifier>EISSN: 1432-2048</identifier><identifier>DOI: 10.1007/bf00239950</identifier><identifier>CODEN: PLANAB</identifier><language>eng</language><publisher>Berlin: Springer-Verlag</publisher><subject>ACIDO GIBERELICO ; Agronomy. Soil science and plant productions ; AIA ; AUXINAS ; AUXINE ; AUXINS ; Biological and medical sciences ; CAL ; CALLO ; CALLUS ; Callus formation ; CITOQUININAS ; CULTIVO IN VITRO ; CULTURE IN VITRO ; CULTURE MEDIA ; CYTOKININE ; CYTOKININS ; DARKNESS ; Economic plant physiology ; FITOCROMA ; Fundamental and applied biological sciences. Psychology ; Genetics ; GIBBERELLINE ; Growth and development ; Hypocotyls ; IAA ; IN VITRO CULTURE ; Insulin antibodies ; Leaves ; Life Sciences ; LIGHT ; LUMIERE ; LUZ ; MEDIO DE CULTIVO ; METABOLISM ; METABOLISME ; METABOLISMO ; MILIEU DE CULTURE ; MORFOGENESIS ; MORPHOGENESE ; MORPHOGENESIS ; Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence ; MUTANT ; MUTANTES ; MUTANTS ; NICOTIANA ; OBSCURIDAD ; OBSCURITE ; Pflanzenbau ; Pflanzenphysiologie ; Physical agents ; PHYTOCHROME ; Phytohormon ; Plant growth ; PLANT GROWTH SUBSTANCES ; Plant physiology and development ; Plants ; Plants genetics ; PLANTULAS ; PLANTULE ; SEEDLINGS ; Sprosswachstum ; Stoffwechsel ; SUBSTANCE DE CROISSANCE VEGETALE ; SUSTANCIAS DE CRECIMIENTO VEGETAL ; Vegetative apparatus, growth and morphogenesis. Senescence ; Wurzelwachstum</subject><ispartof>Planta, 1995-08, Vol.197 (1), p.142-146</ispartof><rights>Springer-Verlag Berlin Heidelberg 1995</rights><rights>1995 INIST-CNRS</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c399t-cdd71b97f839392e557f427b1a1c171142e2ab2fd0218e7b3890035225273cd43</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/23384210$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/23384210$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>230,314,777,781,800,882,27905,27906,57998,58231</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3670686$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://hal.inrae.fr/hal-02715185$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Kraepiel, Y</creatorcontrib><creatorcontrib>Marrec, K</creatorcontrib><creatorcontrib>Sotta, B</creatorcontrib><creatorcontrib>Caboche, M</creatorcontrib><creatorcontrib>Miginiac, E. (Universite Pierre et Marie Curie, Paris (France). Lab. de Physiologie du Developpement des Plantes)</creatorcontrib><title>In vitro morphogenic characteristics of phytochrome mutants in Nicotiana plumbaginifolia are modified and correlated to high indole-3-acetic acid levels</title><title>Planta</title><description>The involvement of indole-3-acetic acid (IAA) in the integration of the light signal perceived by phytochrome during the morphogenesis of plants was investigated in Nicotiana plumbaginifolia Viviani. The chromophore mutant pew1, deficient in all the phytochrome types, and the aurea-like mutant pew2, which appears to be specifically deficient in phytochromes expressed in darkness, were analysed for IAA-related morphogenic effects such as rooting, shooting and callus formation. We observed, in the absence of exogenously applied hormones, abundant root formation by the pew2 mutant. The pew1 mutant exhibited callus formation in the presence of gibberellins and cytokinins when the wild type did not. The previously described lethality of the double mutant pew1-pew2 was shown to be hormone-dependent since, in the light, exogenously applied auxin and cytokinin (0.1 mg·l-1 each) led to plant regeneration from calli and subsequent normal development. These observations suggested an increase in the auxin○ytokinin ratio as a consequence of the phytochrome mutations. We correlated these morphogenic characteristics with high IAA levels in the mutants. The difference in IAA accumulation in the two mutants indicates that among the different phytochromes expressed by N. plumbaginifolia, the light-expressed isoforms play a major role in the control of IAA levels.</description><subject>ACIDO GIBERELICO</subject><subject>Agronomy. Soil science and plant productions</subject><subject>AIA</subject><subject>AUXINAS</subject><subject>AUXINE</subject><subject>AUXINS</subject><subject>Biological and medical sciences</subject><subject>CAL</subject><subject>CALLO</subject><subject>CALLUS</subject><subject>Callus formation</subject><subject>CITOQUININAS</subject><subject>CULTIVO IN VITRO</subject><subject>CULTURE IN VITRO</subject><subject>CULTURE MEDIA</subject><subject>CYTOKININE</subject><subject>CYTOKININS</subject><subject>DARKNESS</subject><subject>Economic plant physiology</subject><subject>FITOCROMA</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetics</subject><subject>GIBBERELLINE</subject><subject>Growth and development</subject><subject>Hypocotyls</subject><subject>IAA</subject><subject>IN VITRO CULTURE</subject><subject>Insulin antibodies</subject><subject>Leaves</subject><subject>Life Sciences</subject><subject>LIGHT</subject><subject>LUMIERE</subject><subject>LUZ</subject><subject>MEDIO DE CULTIVO</subject><subject>METABOLISM</subject><subject>METABOLISME</subject><subject>METABOLISMO</subject><subject>MILIEU DE CULTURE</subject><subject>MORFOGENESIS</subject><subject>MORPHOGENESE</subject><subject>MORPHOGENESIS</subject><subject>Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence</subject><subject>MUTANT</subject><subject>MUTANTES</subject><subject>MUTANTS</subject><subject>NICOTIANA</subject><subject>OBSCURIDAD</subject><subject>OBSCURITE</subject><subject>Pflanzenbau</subject><subject>Pflanzenphysiologie</subject><subject>Physical agents</subject><subject>PHYTOCHROME</subject><subject>Phytohormon</subject><subject>Plant growth</subject><subject>PLANT GROWTH SUBSTANCES</subject><subject>Plant physiology and development</subject><subject>Plants</subject><subject>Plants genetics</subject><subject>PLANTULAS</subject><subject>PLANTULE</subject><subject>SEEDLINGS</subject><subject>Sprosswachstum</subject><subject>Stoffwechsel</subject><subject>SUBSTANCE DE CROISSANCE VEGETALE</subject><subject>SUSTANCIAS DE CRECIMIENTO VEGETAL</subject><subject>Vegetative apparatus, growth and morphogenesis. Senescence</subject><subject>Wurzelwachstum</subject><issn>0032-0935</issn><issn>1432-2048</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><recordid>eNo9kUtv1DAUhS1EJYaWDUskJC_YFCngRzyOl23pSxrBBtbRjR8TV04c2e5I_Sf9uXgUmJWvfb57rnwuQh8p-UYJkd8HRwjjSgnyBm1oy1nDSNu9RRtCak0UF-_Q-5yfCKmilBv0-jjjgy8p4immZYx7O3uN9QgJdLHJ5-J1xtHhZXwpUY8pThZPzwXmkrGf8U-vY_EwA17C8zTA3s_exeABQ6pgNN55azDMBuuYkg1Q6rVEPPr9WA1MDLbhDWhbB2HQ3uBgDzbkC3TmIGT74d95jv7c3f6-eWh2v-4fb652ja7fLI02RtJBSddxxRWzQkjXMjlQoJpKSltmGQzMGcJoZ-XAO1WjEIwJJrk2LT9Hl6vvCKFfkp8gvfQRfP9wteuPb4RJKmgnDrSyX1dWp5hzsu7UQEl_zL-_vvuff4W_rPACWUNwCWbt86mDbyXZdtuKfV6xp1xiOsmM865l9GjzadUdxB72dSP9j1u1ve8UFfwvvISXug</recordid><startdate>19950801</startdate><enddate>19950801</enddate><creator>Kraepiel, Y</creator><creator>Marrec, K</creator><creator>Sotta, B</creator><creator>Caboche, M</creator><creator>Miginiac, E. (Universite Pierre et Marie Curie, Paris (France). Lab. de Physiologie du Developpement des Plantes)</creator><general>Springer-Verlag</general><general>Springer</general><general>Springer Verlag</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope></search><sort><creationdate>19950801</creationdate><title>In vitro morphogenic characteristics of phytochrome mutants in Nicotiana plumbaginifolia are modified and correlated to high indole-3-acetic acid levels</title><author>Kraepiel, Y ; Marrec, K ; Sotta, B ; Caboche, M ; Miginiac, E. (Universite Pierre et Marie Curie, Paris (France). Lab. de Physiologie du Developpement des Plantes)</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c399t-cdd71b97f839392e557f427b1a1c171142e2ab2fd0218e7b3890035225273cd43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>ACIDO GIBERELICO</topic><topic>Agronomy. Soil science and plant productions</topic><topic>AIA</topic><topic>AUXINAS</topic><topic>AUXINE</topic><topic>AUXINS</topic><topic>Biological and medical sciences</topic><topic>CAL</topic><topic>CALLO</topic><topic>CALLUS</topic><topic>Callus formation</topic><topic>CITOQUININAS</topic><topic>CULTIVO IN VITRO</topic><topic>CULTURE IN VITRO</topic><topic>CULTURE MEDIA</topic><topic>CYTOKININE</topic><topic>CYTOKININS</topic><topic>DARKNESS</topic><topic>Economic plant physiology</topic><topic>FITOCROMA</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Genetics</topic><topic>GIBBERELLINE</topic><topic>Growth and development</topic><topic>Hypocotyls</topic><topic>IAA</topic><topic>IN VITRO CULTURE</topic><topic>Insulin antibodies</topic><topic>Leaves</topic><topic>Life Sciences</topic><topic>LIGHT</topic><topic>LUMIERE</topic><topic>LUZ</topic><topic>MEDIO DE CULTIVO</topic><topic>METABOLISM</topic><topic>METABOLISME</topic><topic>METABOLISMO</topic><topic>MILIEU DE CULTURE</topic><topic>MORFOGENESIS</topic><topic>MORPHOGENESE</topic><topic>MORPHOGENESIS</topic><topic>Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence</topic><topic>MUTANT</topic><topic>MUTANTES</topic><topic>MUTANTS</topic><topic>NICOTIANA</topic><topic>OBSCURIDAD</topic><topic>OBSCURITE</topic><topic>Pflanzenbau</topic><topic>Pflanzenphysiologie</topic><topic>Physical agents</topic><topic>PHYTOCHROME</topic><topic>Phytohormon</topic><topic>Plant growth</topic><topic>PLANT GROWTH SUBSTANCES</topic><topic>Plant physiology and development</topic><topic>Plants</topic><topic>Plants genetics</topic><topic>PLANTULAS</topic><topic>PLANTULE</topic><topic>SEEDLINGS</topic><topic>Sprosswachstum</topic><topic>Stoffwechsel</topic><topic>SUBSTANCE DE CROISSANCE VEGETALE</topic><topic>SUSTANCIAS DE CRECIMIENTO VEGETAL</topic><topic>Vegetative apparatus, growth and morphogenesis. Senescence</topic><topic>Wurzelwachstum</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kraepiel, Y</creatorcontrib><creatorcontrib>Marrec, K</creatorcontrib><creatorcontrib>Sotta, B</creatorcontrib><creatorcontrib>Caboche, M</creatorcontrib><creatorcontrib>Miginiac, E. (Universite Pierre et Marie Curie, Paris (France). Lab. de Physiologie du Developpement des Plantes)</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Planta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kraepiel, Y</au><au>Marrec, K</au><au>Sotta, B</au><au>Caboche, M</au><au>Miginiac, E. (Universite Pierre et Marie Curie, Paris (France). Lab. de Physiologie du Developpement des Plantes)</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>In vitro morphogenic characteristics of phytochrome mutants in Nicotiana plumbaginifolia are modified and correlated to high indole-3-acetic acid levels</atitle><jtitle>Planta</jtitle><date>1995-08-01</date><risdate>1995</risdate><volume>197</volume><issue>1</issue><spage>142</spage><epage>146</epage><pages>142-146</pages><issn>0032-0935</issn><eissn>1432-2048</eissn><coden>PLANAB</coden><abstract>The involvement of indole-3-acetic acid (IAA) in the integration of the light signal perceived by phytochrome during the morphogenesis of plants was investigated in Nicotiana plumbaginifolia Viviani. The chromophore mutant pew1, deficient in all the phytochrome types, and the aurea-like mutant pew2, which appears to be specifically deficient in phytochromes expressed in darkness, were analysed for IAA-related morphogenic effects such as rooting, shooting and callus formation. We observed, in the absence of exogenously applied hormones, abundant root formation by the pew2 mutant. The pew1 mutant exhibited callus formation in the presence of gibberellins and cytokinins when the wild type did not. The previously described lethality of the double mutant pew1-pew2 was shown to be hormone-dependent since, in the light, exogenously applied auxin and cytokinin (0.1 mg·l-1 each) led to plant regeneration from calli and subsequent normal development. These observations suggested an increase in the auxin○ytokinin ratio as a consequence of the phytochrome mutations. We correlated these morphogenic characteristics with high IAA levels in the mutants. The difference in IAA accumulation in the two mutants indicates that among the different phytochromes expressed by N. plumbaginifolia, the light-expressed isoforms play a major role in the control of IAA levels.</abstract><cop>Berlin</cop><pub>Springer-Verlag</pub><doi>10.1007/bf00239950</doi><tpages>5</tpages></addata></record> |
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| ispartof | Planta, 1995-08, Vol.197 (1), p.142-146 |
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| source | Jstor Complete Legacy; Springer Nature - Complete Springer Journals |
| subjects | ACIDO GIBERELICO Agronomy. Soil science and plant productions AIA AUXINAS AUXINE AUXINS Biological and medical sciences CAL CALLO CALLUS Callus formation CITOQUININAS CULTIVO IN VITRO CULTURE IN VITRO CULTURE MEDIA CYTOKININE CYTOKININS DARKNESS Economic plant physiology FITOCROMA Fundamental and applied biological sciences. Psychology Genetics GIBBERELLINE Growth and development Hypocotyls IAA IN VITRO CULTURE Insulin antibodies Leaves Life Sciences LIGHT LUMIERE LUZ MEDIO DE CULTIVO METABOLISM METABOLISME METABOLISMO MILIEU DE CULTURE MORFOGENESIS MORPHOGENESE MORPHOGENESIS Morphogenesis, differentiation, rhizogenesis, tuberization. Senescence MUTANT MUTANTES MUTANTS NICOTIANA OBSCURIDAD OBSCURITE Pflanzenbau Pflanzenphysiologie Physical agents PHYTOCHROME Phytohormon Plant growth PLANT GROWTH SUBSTANCES Plant physiology and development Plants Plants genetics PLANTULAS PLANTULE SEEDLINGS Sprosswachstum Stoffwechsel SUBSTANCE DE CROISSANCE VEGETALE SUSTANCIAS DE CRECIMIENTO VEGETAL Vegetative apparatus, growth and morphogenesis. Senescence Wurzelwachstum |
| title | In vitro morphogenic characteristics of phytochrome mutants in Nicotiana plumbaginifolia are modified and correlated to high indole-3-acetic acid levels |
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