OsICE1 transcription factor improves photosynthetic performance and reduces grain losses in rice plants subjected to drought
•OsICE1 over-expression in rice confers drought tolerance.•OsICE1 over-expression improves photosynthesis performance under drought.•OsICE1 over-expression reduces grain yield losses in rice plants subjected to drought. Drought is a major environmental threat to agriculture sustainability. We have c...
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| Veröffentlicht in: | Environmental and experimental botany 2018-06, Vol.150, p.88-98 |
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| creator | Chander, Subhash Almeida, Diego M. Serra, Tânia S. Jardim-Messeder, Douglas Barros, Pedro M. Lourenço, Tiago F. Figueiredo, Duarte D. Margis-Pinheiro, Marcia Costa, Joaquim Miguel Oliveira, M. Margarida Saibo, Nelson J.M. |
| description | •OsICE1 over-expression in rice confers drought tolerance.•OsICE1 over-expression improves photosynthesis performance under drought.•OsICE1 over-expression reduces grain yield losses in rice plants subjected to drought.
Drought is a major environmental threat to agriculture sustainability. We have characterised the role of OsICE1, a basic helix-loop-helix (bHLH) transcription factor from rice (Oryza sativa L.), in response to drought. OsICE1 gene is constitutively expressed in roots and shoots of rice seedlings grown under control conditions, as well as in response to low temperature, high salinity, and ABA. Nevertheless, in response to drought, OsICE1 is up-regulated in roots. Plants over-expressing OsICE1 (OsICE1-OX) show improved drought tolerance at both vegetative and reproductive stages, whereas OsICE1 silenced plants (OsICE1-RNAi) show decreased drought tolerance in the same phenological stages. Under drought, OsICE1-OX plants show improved net photosynthetic rates and stomatal conductance to water vapour, as well as higher photochemical efficiency of photosystem II and tolerance to photo-inhibition, as compared to the WT and OsICE1-RNAi. In addition, under severe drought, OsICE1-OX plants show lower grain yield losses than WT, while OsICE1-RNAi plants show the highest grain losses. OsICE1-OX and OsICE1-RNAi plants do not differentially respond to ABA, and drought-inducible genes are more responsive in OsICE1-RNAi and less in OsICE1-OX plants (as compared to WT), suggesting that OsICE1 has a central role modulating molecular responses to drought in an ABA-independent way. This role might be mediated by OsWsi18, a LEA encoding gene up regulated in OsICE1-OX rice plants and known to enhance membrane stability under drought. |
| doi_str_mv | 10.1016/j.envexpbot.2018.02.004 |
| format | Article |
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Drought is a major environmental threat to agriculture sustainability. We have characterised the role of OsICE1, a basic helix-loop-helix (bHLH) transcription factor from rice (Oryza sativa L.), in response to drought. OsICE1 gene is constitutively expressed in roots and shoots of rice seedlings grown under control conditions, as well as in response to low temperature, high salinity, and ABA. Nevertheless, in response to drought, OsICE1 is up-regulated in roots. Plants over-expressing OsICE1 (OsICE1-OX) show improved drought tolerance at both vegetative and reproductive stages, whereas OsICE1 silenced plants (OsICE1-RNAi) show decreased drought tolerance in the same phenological stages. Under drought, OsICE1-OX plants show improved net photosynthetic rates and stomatal conductance to water vapour, as well as higher photochemical efficiency of photosystem II and tolerance to photo-inhibition, as compared to the WT and OsICE1-RNAi. In addition, under severe drought, OsICE1-OX plants show lower grain yield losses than WT, while OsICE1-RNAi plants show the highest grain losses. OsICE1-OX and OsICE1-RNAi plants do not differentially respond to ABA, and drought-inducible genes are more responsive in OsICE1-RNAi and less in OsICE1-OX plants (as compared to WT), suggesting that OsICE1 has a central role modulating molecular responses to drought in an ABA-independent way. This role might be mediated by OsWsi18, a LEA encoding gene up regulated in OsICE1-OX rice plants and known to enhance membrane stability under drought.</description><identifier>ISSN: 0098-8472</identifier><identifier>ISSN: 1873-7307</identifier><identifier>EISSN: 1873-7307</identifier><identifier>DOI: 10.1016/j.envexpbot.2018.02.004</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Abiotic stress ; Agricultural Science ; Cold ; Jordbruksvetenskap ; Leaf gas exchange ; Life Sciences ; Photosynthesis ; Salinity ; Transcription factor ; Vegetal Biology ; Water stress</subject><ispartof>Environmental and experimental botany, 2018-06, Vol.150, p.88-98</ispartof><rights>2018 Elsevier B.V.</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c387t-4ecce41a3061a7cc0457da832ee6063cf9c6d25257b46966b365f419ed99736d3</citedby><cites>FETCH-LOGICAL-c387t-4ecce41a3061a7cc0457da832ee6063cf9c6d25257b46966b365f419ed99736d3</cites><orcidid>0000-0002-6679-3811</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0098847218302193$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttps://hal.inrae.fr/hal-02623024$$DView record in HAL$$Hfree_for_read</backlink><backlink>$$Uhttps://res.slu.se/id/publ/95309$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Chander, Subhash</creatorcontrib><creatorcontrib>Almeida, Diego M.</creatorcontrib><creatorcontrib>Serra, Tânia S.</creatorcontrib><creatorcontrib>Jardim-Messeder, Douglas</creatorcontrib><creatorcontrib>Barros, Pedro M.</creatorcontrib><creatorcontrib>Lourenço, Tiago F.</creatorcontrib><creatorcontrib>Figueiredo, Duarte D.</creatorcontrib><creatorcontrib>Margis-Pinheiro, Marcia</creatorcontrib><creatorcontrib>Costa, Joaquim Miguel</creatorcontrib><creatorcontrib>Oliveira, M. Margarida</creatorcontrib><creatorcontrib>Saibo, Nelson J.M.</creatorcontrib><creatorcontrib>Sveriges lantbruksuniversitet</creatorcontrib><title>OsICE1 transcription factor improves photosynthetic performance and reduces grain losses in rice plants subjected to drought</title><title>Environmental and experimental botany</title><description>•OsICE1 over-expression in rice confers drought tolerance.•OsICE1 over-expression improves photosynthesis performance under drought.•OsICE1 over-expression reduces grain yield losses in rice plants subjected to drought.
Drought is a major environmental threat to agriculture sustainability. We have characterised the role of OsICE1, a basic helix-loop-helix (bHLH) transcription factor from rice (Oryza sativa L.), in response to drought. OsICE1 gene is constitutively expressed in roots and shoots of rice seedlings grown under control conditions, as well as in response to low temperature, high salinity, and ABA. Nevertheless, in response to drought, OsICE1 is up-regulated in roots. Plants over-expressing OsICE1 (OsICE1-OX) show improved drought tolerance at both vegetative and reproductive stages, whereas OsICE1 silenced plants (OsICE1-RNAi) show decreased drought tolerance in the same phenological stages. Under drought, OsICE1-OX plants show improved net photosynthetic rates and stomatal conductance to water vapour, as well as higher photochemical efficiency of photosystem II and tolerance to photo-inhibition, as compared to the WT and OsICE1-RNAi. In addition, under severe drought, OsICE1-OX plants show lower grain yield losses than WT, while OsICE1-RNAi plants show the highest grain losses. OsICE1-OX and OsICE1-RNAi plants do not differentially respond to ABA, and drought-inducible genes are more responsive in OsICE1-RNAi and less in OsICE1-OX plants (as compared to WT), suggesting that OsICE1 has a central role modulating molecular responses to drought in an ABA-independent way. This role might be mediated by OsWsi18, a LEA encoding gene up regulated in OsICE1-OX rice plants and known to enhance membrane stability under drought.</description><subject>Abiotic stress</subject><subject>Agricultural Science</subject><subject>Cold</subject><subject>Jordbruksvetenskap</subject><subject>Leaf gas exchange</subject><subject>Life Sciences</subject><subject>Photosynthesis</subject><subject>Salinity</subject><subject>Transcription factor</subject><subject>Vegetal Biology</subject><subject>Water stress</subject><issn>0098-8472</issn><issn>1873-7307</issn><issn>1873-7307</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFkU1r3DAQhkVpodukv6G69mB3JNmSfVyWtAks5NKchSyNs1q8lpHkbQP98dWyIdBTT_PB8w4z8xLyhUHNgMlvxxrnM_5ehpBrDqyrgdcAzTuyYZ0SlRKg3pMNQN9VXaP4R_IppSMAKKHkhvx5TA-7O0ZzNHOy0S_Zh5mOxuYQqT8tMZwx0eUQckgvcz5g9pYuGMcQT2a2SM3saES32oI9R-NnOoWUSlGy6AuwTGbOiaZ1OKLN6GgO1MWwPh_yLfkwminh59d4Q56-3_3c3Vf7xx8Pu-2-sqJTuWrQWmyYESCZUdZC0ypnOsERJUhhx95Kx1veqqGRvZSDkO3YsB5d3yshnbgh1XVu-oXLOugl-pOJLzoYr9O0DiZegk6o-1ZAX_ivV_5gpn_g--1eX3rAJRfAmzMrrLqyNpa7I45vAgb6YpA-6jeD9MWgotbFoKLcXpVYTj97LEtYj-WnzsfyKe2C_--Mv9ajoYc</recordid><startdate>20180601</startdate><enddate>20180601</enddate><creator>Chander, Subhash</creator><creator>Almeida, Diego M.</creator><creator>Serra, Tânia S.</creator><creator>Jardim-Messeder, Douglas</creator><creator>Barros, Pedro M.</creator><creator>Lourenço, Tiago F.</creator><creator>Figueiredo, Duarte D.</creator><creator>Margis-Pinheiro, Marcia</creator><creator>Costa, Joaquim Miguel</creator><creator>Oliveira, M. Margarida</creator><creator>Saibo, Nelson J.M.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope><scope>ADTPV</scope><scope>AOWAS</scope><orcidid>https://orcid.org/0000-0002-6679-3811</orcidid></search><sort><creationdate>20180601</creationdate><title>OsICE1 transcription factor improves photosynthetic performance and reduces grain losses in rice plants subjected to drought</title><author>Chander, Subhash ; Almeida, Diego M. ; Serra, Tânia S. ; Jardim-Messeder, Douglas ; Barros, Pedro M. ; Lourenço, Tiago F. ; Figueiredo, Duarte D. ; Margis-Pinheiro, Marcia ; Costa, Joaquim Miguel ; Oliveira, M. Margarida ; Saibo, Nelson J.M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c387t-4ecce41a3061a7cc0457da832ee6063cf9c6d25257b46966b365f419ed99736d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Abiotic stress</topic><topic>Agricultural Science</topic><topic>Cold</topic><topic>Jordbruksvetenskap</topic><topic>Leaf gas exchange</topic><topic>Life Sciences</topic><topic>Photosynthesis</topic><topic>Salinity</topic><topic>Transcription factor</topic><topic>Vegetal Biology</topic><topic>Water stress</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chander, Subhash</creatorcontrib><creatorcontrib>Almeida, Diego M.</creatorcontrib><creatorcontrib>Serra, Tânia S.</creatorcontrib><creatorcontrib>Jardim-Messeder, Douglas</creatorcontrib><creatorcontrib>Barros, Pedro M.</creatorcontrib><creatorcontrib>Lourenço, Tiago F.</creatorcontrib><creatorcontrib>Figueiredo, Duarte D.</creatorcontrib><creatorcontrib>Margis-Pinheiro, Marcia</creatorcontrib><creatorcontrib>Costa, Joaquim Miguel</creatorcontrib><creatorcontrib>Oliveira, M. Margarida</creatorcontrib><creatorcontrib>Saibo, Nelson J.M.</creatorcontrib><creatorcontrib>Sveriges lantbruksuniversitet</creatorcontrib><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><collection>SwePub</collection><collection>SwePub Articles</collection><jtitle>Environmental and experimental botany</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chander, Subhash</au><au>Almeida, Diego M.</au><au>Serra, Tânia S.</au><au>Jardim-Messeder, Douglas</au><au>Barros, Pedro M.</au><au>Lourenço, Tiago F.</au><au>Figueiredo, Duarte D.</au><au>Margis-Pinheiro, Marcia</au><au>Costa, Joaquim Miguel</au><au>Oliveira, M. Margarida</au><au>Saibo, Nelson J.M.</au><aucorp>Sveriges lantbruksuniversitet</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>OsICE1 transcription factor improves photosynthetic performance and reduces grain losses in rice plants subjected to drought</atitle><jtitle>Environmental and experimental botany</jtitle><date>2018-06-01</date><risdate>2018</risdate><volume>150</volume><spage>88</spage><epage>98</epage><pages>88-98</pages><issn>0098-8472</issn><issn>1873-7307</issn><eissn>1873-7307</eissn><abstract>•OsICE1 over-expression in rice confers drought tolerance.•OsICE1 over-expression improves photosynthesis performance under drought.•OsICE1 over-expression reduces grain yield losses in rice plants subjected to drought.
Drought is a major environmental threat to agriculture sustainability. We have characterised the role of OsICE1, a basic helix-loop-helix (bHLH) transcription factor from rice (Oryza sativa L.), in response to drought. OsICE1 gene is constitutively expressed in roots and shoots of rice seedlings grown under control conditions, as well as in response to low temperature, high salinity, and ABA. Nevertheless, in response to drought, OsICE1 is up-regulated in roots. Plants over-expressing OsICE1 (OsICE1-OX) show improved drought tolerance at both vegetative and reproductive stages, whereas OsICE1 silenced plants (OsICE1-RNAi) show decreased drought tolerance in the same phenological stages. Under drought, OsICE1-OX plants show improved net photosynthetic rates and stomatal conductance to water vapour, as well as higher photochemical efficiency of photosystem II and tolerance to photo-inhibition, as compared to the WT and OsICE1-RNAi. In addition, under severe drought, OsICE1-OX plants show lower grain yield losses than WT, while OsICE1-RNAi plants show the highest grain losses. OsICE1-OX and OsICE1-RNAi plants do not differentially respond to ABA, and drought-inducible genes are more responsive in OsICE1-RNAi and less in OsICE1-OX plants (as compared to WT), suggesting that OsICE1 has a central role modulating molecular responses to drought in an ABA-independent way. This role might be mediated by OsWsi18, a LEA encoding gene up regulated in OsICE1-OX rice plants and known to enhance membrane stability under drought.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.envexpbot.2018.02.004</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-6679-3811</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Abiotic stress Agricultural Science Cold Jordbruksvetenskap Leaf gas exchange Life Sciences Photosynthesis Salinity Transcription factor Vegetal Biology Water stress |
| title | OsICE1 transcription factor improves photosynthetic performance and reduces grain losses in rice plants subjected to drought |
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