Systematic analysis of HD-ZIP transcription factors in sesame genome and gene expression profiling of SiHD-ZIP class I entailing drought stress responses at early seedling stage

Background Sesame is an ancient oilseed crop, known for its high oil content and quality. Its sensitivity to drought at early seedling stage is one of the limiting factors affecting its world-wide growth and productivity. Among plant specific transcription factors, the association of HD-ZIPs with se...

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Veröffentlicht in:Molecular biology reports 2022-03, Vol.49 (3), p.2059-2071
Hauptverfasser: Mehmood, Maryam, Khan, Muhammad Jadoon, Khan, Muhammad Jawad, Akhtar, Nadeem, Mughal, Fizza, Shah, Syed Tahir Abbas, Hyder, Muhammad Zeeshan, Farrakh, Sumaira, Sadiq, Irfan
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container_end_page 2071
container_issue 3
container_start_page 2059
container_title Molecular biology reports
container_volume 49
creator Mehmood, Maryam
Khan, Muhammad Jadoon
Khan, Muhammad Jawad
Akhtar, Nadeem
Mughal, Fizza
Shah, Syed Tahir Abbas
Hyder, Muhammad Zeeshan
Farrakh, Sumaira
Sadiq, Irfan
description Background Sesame is an ancient oilseed crop, known for its high oil content and quality. Its sensitivity to drought at early seedling stage is one of the limiting factors affecting its world-wide growth and productivity. Among plant specific transcription factors, the association of HD-ZIPs with sesame drought responses at early seedling stage is not well-established yet and is very important to develop our molecular understanding on sesame drought tolerance. Methods and results In this study, total 61 sesame HD-ZIP proteins were identified, based on their protein sequence homology with Arabidopsis and protein domain(s) architecture prediction, followed by their phylogenetic, conserved domain(s) motifs and gene structure analyses to classify them into four classes (HD-ZIP Class I-IV). HD-ZIP Class I was also subdivided into four subgroups: α (SiHZ25, SiHZ43, SiHZ9 and SiHZ16), β1 (SiHZ10, SiHZ30, SiHZ32 and SiHZ26), β2 (SiHZ42 and SiHZ45) and γ (SiHZ17, SiHZ7 and SiHZ35) by a comparative phylogenetic analysis of sesame with Arabidopsis and maize. Afterwards, twenty-one days old sesame seedlings were exposed to drought stress by withholding water for 7 days (when soil moisture content reduced to ~16%) and gene expression of HD-ZIP Class I (13 members) was performed in well- watered (control) and drought stressed seedlings. The gene expression analysis showed that the expressions of SiHZ7 (6.8 fold) and SiHZ35 (2.6 fold) from γ subgroup were significantly high in drought seedlings. Conclusions This study is useful in demonstrating the role of SiHD-ZIP Class I in sesame drought responses at early seedling stage and to develop its novel drought tolerant varieties
doi_str_mv 10.1007/s11033-021-07024-2
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Its sensitivity to drought at early seedling stage is one of the limiting factors affecting its world-wide growth and productivity. Among plant specific transcription factors, the association of HD-ZIPs with sesame drought responses at early seedling stage is not well-established yet and is very important to develop our molecular understanding on sesame drought tolerance. Methods and results In this study, total 61 sesame HD-ZIP proteins were identified, based on their protein sequence homology with Arabidopsis and protein domain(s) architecture prediction, followed by their phylogenetic, conserved domain(s) motifs and gene structure analyses to classify them into four classes (HD-ZIP Class I-IV). HD-ZIP Class I was also subdivided into four subgroups: α (SiHZ25, SiHZ43, SiHZ9 and SiHZ16), β1 (SiHZ10, SiHZ30, SiHZ32 and SiHZ26), β2 (SiHZ42 and SiHZ45) and γ (SiHZ17, SiHZ7 and SiHZ35) by a comparative phylogenetic analysis of sesame with Arabidopsis and maize. Afterwards, twenty-one days old sesame seedlings were exposed to drought stress by withholding water for 7 days (when soil moisture content reduced to ~16%) and gene expression of HD-ZIP Class I (13 members) was performed in well- watered (control) and drought stressed seedlings. The gene expression analysis showed that the expressions of SiHZ7 (6.8 fold) and SiHZ35 (2.6 fold) from γ subgroup were significantly high in drought seedlings. Conclusions This study is useful in demonstrating the role of SiHD-ZIP Class I in sesame drought responses at early seedling stage and to develop its novel drought tolerant varieties</description><identifier>ISSN: 0301-4851</identifier><identifier>EISSN: 1573-4978</identifier><identifier>DOI: 10.1007/s11033-021-07024-2</identifier><identifier>PMID: 34993726</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Amino acid sequence ; Animal Anatomy ; Animal Biochemistry ; Arabidopsis ; Biomedical and Life Sciences ; Dehydration - genetics ; Dehydration - metabolism ; Drought ; Drought resistance ; Gene expression ; Gene Expression Profiling ; Gene Expression Regulation, Plant - genetics ; Genome, Plant ; Genomes ; Histology ; Homology ; Life Sciences ; Morphology ; Oilseeds ; Original Article ; Phylogenetics ; Phylogeny ; Plant Proteins - genetics ; Plant Proteins - metabolism ; Seedlings ; Seedlings - genetics ; Seedlings - metabolism ; Sesamum ; Sesamum - genetics ; Sesamum - metabolism ; Soil moisture ; Transcription factors ; Transcription Factors - genetics ; Transcription Factors - metabolism ; Water content</subject><ispartof>Molecular biology reports, 2022-03, Vol.49 (3), p.2059-2071</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2021</rights><rights>2021. 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Its sensitivity to drought at early seedling stage is one of the limiting factors affecting its world-wide growth and productivity. Among plant specific transcription factors, the association of HD-ZIPs with sesame drought responses at early seedling stage is not well-established yet and is very important to develop our molecular understanding on sesame drought tolerance. Methods and results In this study, total 61 sesame HD-ZIP proteins were identified, based on their protein sequence homology with Arabidopsis and protein domain(s) architecture prediction, followed by their phylogenetic, conserved domain(s) motifs and gene structure analyses to classify them into four classes (HD-ZIP Class I-IV). HD-ZIP Class I was also subdivided into four subgroups: α (SiHZ25, SiHZ43, SiHZ9 and SiHZ16), β1 (SiHZ10, SiHZ30, SiHZ32 and SiHZ26), β2 (SiHZ42 and SiHZ45) and γ (SiHZ17, SiHZ7 and SiHZ35) by a comparative phylogenetic analysis of sesame with Arabidopsis and maize. Afterwards, twenty-one days old sesame seedlings were exposed to drought stress by withholding water for 7 days (when soil moisture content reduced to ~16%) and gene expression of HD-ZIP Class I (13 members) was performed in well- watered (control) and drought stressed seedlings. The gene expression analysis showed that the expressions of SiHZ7 (6.8 fold) and SiHZ35 (2.6 fold) from γ subgroup were significantly high in drought seedlings. 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Its sensitivity to drought at early seedling stage is one of the limiting factors affecting its world-wide growth and productivity. Among plant specific transcription factors, the association of HD-ZIPs with sesame drought responses at early seedling stage is not well-established yet and is very important to develop our molecular understanding on sesame drought tolerance. Methods and results In this study, total 61 sesame HD-ZIP proteins were identified, based on their protein sequence homology with Arabidopsis and protein domain(s) architecture prediction, followed by their phylogenetic, conserved domain(s) motifs and gene structure analyses to classify them into four classes (HD-ZIP Class I-IV). HD-ZIP Class I was also subdivided into four subgroups: α (SiHZ25, SiHZ43, SiHZ9 and SiHZ16), β1 (SiHZ10, SiHZ30, SiHZ32 and SiHZ26), β2 (SiHZ42 and SiHZ45) and γ (SiHZ17, SiHZ7 and SiHZ35) by a comparative phylogenetic analysis of sesame with Arabidopsis and maize. Afterwards, twenty-one days old sesame seedlings were exposed to drought stress by withholding water for 7 days (when soil moisture content reduced to ~16%) and gene expression of HD-ZIP Class I (13 members) was performed in well- watered (control) and drought stressed seedlings. The gene expression analysis showed that the expressions of SiHZ7 (6.8 fold) and SiHZ35 (2.6 fold) from γ subgroup were significantly high in drought seedlings. Conclusions This study is useful in demonstrating the role of SiHD-ZIP Class I in sesame drought responses at early seedling stage and to develop its novel drought tolerant varieties</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>34993726</pmid><doi>10.1007/s11033-021-07024-2</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record>
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subjects Amino acid sequence
Animal Anatomy
Animal Biochemistry
Arabidopsis
Biomedical and Life Sciences
Dehydration - genetics
Dehydration - metabolism
Drought
Drought resistance
Gene expression
Gene Expression Profiling
Gene Expression Regulation, Plant - genetics
Genome, Plant
Genomes
Histology
Homology
Life Sciences
Morphology
Oilseeds
Original Article
Phylogenetics
Phylogeny
Plant Proteins - genetics
Plant Proteins - metabolism
Seedlings
Seedlings - genetics
Seedlings - metabolism
Sesamum
Sesamum - genetics
Sesamum - metabolism
Soil moisture
Transcription factors
Transcription Factors - genetics
Transcription Factors - metabolism
Water content
title Systematic analysis of HD-ZIP transcription factors in sesame genome and gene expression profiling of SiHD-ZIP class I entailing drought stress responses at early seedling stage
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