Longer Internode with Same Cell Length: <i>LcSOC1-b2</i> Gene Involved in Height to First Pod but Not Flowering in Lentil (<i>Lens culinaris</i> Medik.)
Stem internode length determines height to first pod (HFP), an important trait for mechanical harvesting in legume crops. In the present study, this trait in lentil was (<i>Lens culinaris</i> Medik.) examined using scanning electron microscopy (SEM) of epidermal cells in stem internodes...
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MDPI AG
2025-04-01
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| author | Marzhan Kuzbakova Gulmira Khassanova Satyvaldy Jatayev Nurgul Daniyeva Crystal Sweetman Colin L. D. Jenkins Kathleen L. Soole Yuri Shavrukov |
| author_facet | Marzhan Kuzbakova Gulmira Khassanova Satyvaldy Jatayev Nurgul Daniyeva Crystal Sweetman Colin L. D. Jenkins Kathleen L. Soole Yuri Shavrukov |
| author_sort | Marzhan Kuzbakova |
| collection | DOAJ |
| description | Stem internode length determines height to first pod (HFP), an important trait for mechanical harvesting in legume crops. In the present study, this trait in lentil was (<i>Lens culinaris</i> Medik.) examined using scanning electron microscopy (SEM) of epidermal cells in stem internodes of two parents, Flip92-36L and ILL-1552, with long and short HFP, respectively. No significant differences in cell length, but differences in cell width were seen. This indicates that HFP was determined by cell number rather than cell length. The candidate gene family for HFP, <i>Suppressor of Overexpression of Constans 1</i> (<i>SOC1</i>), a member of the MADS-box transcription factor family, controls both flowering time (FT) and HFP traits. Six <i>LcSOC1</i> genes were identified in this study, and their expression was analysed. Most of the genes studied showed constitutive expression during vegetative growth, flowering, and seed development stages. Expression of <i>LcSOC1-a</i> seems to be involved in the transition to flowering and FT, whereas expression of <i>LcSOC1-b2</i> was strongly associated with HFP but not FT. Two haplotypes with two SNP each were identified in <i>LcSOC1-b2</i> among eight sequenced lentil accessions, and an SNP-based ASQ marker was developed and used for genotyping of a lentil germplasm collection. Significant association between <i>LcSOC1-b2</i> haplotypes and HFP was found in this study, indicating a primary role for this gene in internode length, potentially by regulating cell number. |
| format | Article |
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| institution | DOAJ |
| issn | 2223-7747 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | MDPI AG |
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| series | Plants |
| spelling | doaj-art-e85bd56e93e041f59b8a31482720f82c2025-08-20T03:13:55ZengMDPI AGPlants2223-77472025-04-01148115710.3390/plants14081157Longer Internode with Same Cell Length: <i>LcSOC1-b2</i> Gene Involved in Height to First Pod but Not Flowering in Lentil (<i>Lens culinaris</i> Medik.)Marzhan Kuzbakova0Gulmira Khassanova1Satyvaldy Jatayev2Nurgul Daniyeva3Crystal Sweetman4Colin L. D. Jenkins5Kathleen L. Soole6Yuri Shavrukov7Faculty of Agronomy, S.Seifullin Kazakh AgroTechnical Research University, Astana 010000, KazakhstanFaculty of Agronomy, S.Seifullin Kazakh AgroTechnical Research University, Astana 010000, KazakhstanFaculty of Agronomy, S.Seifullin Kazakh AgroTechnical Research University, Astana 010000, KazakhstanCore Facilities, Nazarbayev University, Astana 010000, KazakhstanCollege of Science and Engineering, Biological Sciences, Flinders University, Adelaide, SA 5042, AustraliaCollege of Science and Engineering, Biological Sciences, Flinders University, Adelaide, SA 5042, AustraliaCollege of Science and Engineering, Biological Sciences, Flinders University, Adelaide, SA 5042, AustraliaCollege of Science and Engineering, Biological Sciences, Flinders University, Adelaide, SA 5042, AustraliaStem internode length determines height to first pod (HFP), an important trait for mechanical harvesting in legume crops. In the present study, this trait in lentil was (<i>Lens culinaris</i> Medik.) examined using scanning electron microscopy (SEM) of epidermal cells in stem internodes of two parents, Flip92-36L and ILL-1552, with long and short HFP, respectively. No significant differences in cell length, but differences in cell width were seen. This indicates that HFP was determined by cell number rather than cell length. The candidate gene family for HFP, <i>Suppressor of Overexpression of Constans 1</i> (<i>SOC1</i>), a member of the MADS-box transcription factor family, controls both flowering time (FT) and HFP traits. Six <i>LcSOC1</i> genes were identified in this study, and their expression was analysed. Most of the genes studied showed constitutive expression during vegetative growth, flowering, and seed development stages. Expression of <i>LcSOC1-a</i> seems to be involved in the transition to flowering and FT, whereas expression of <i>LcSOC1-b2</i> was strongly associated with HFP but not FT. Two haplotypes with two SNP each were identified in <i>LcSOC1-b2</i> among eight sequenced lentil accessions, and an SNP-based ASQ marker was developed and used for genotyping of a lentil germplasm collection. Significant association between <i>LcSOC1-b2</i> haplotypes and HFP was found in this study, indicating a primary role for this gene in internode length, potentially by regulating cell number.https://www.mdpi.com/2223-7747/14/8/1157cell length and widthepidermal cellflowering time (FT)gene expressionhaplotypeheight to first pod (HFP) |
| spellingShingle | Marzhan Kuzbakova Gulmira Khassanova Satyvaldy Jatayev Nurgul Daniyeva Crystal Sweetman Colin L. D. Jenkins Kathleen L. Soole Yuri Shavrukov Longer Internode with Same Cell Length: <i>LcSOC1-b2</i> Gene Involved in Height to First Pod but Not Flowering in Lentil (<i>Lens culinaris</i> Medik.) Plants cell length and width epidermal cell flowering time (FT) gene expression haplotype height to first pod (HFP) |
| title | Longer Internode with Same Cell Length: <i>LcSOC1-b2</i> Gene Involved in Height to First Pod but Not Flowering in Lentil (<i>Lens culinaris</i> Medik.) |
| title_full | Longer Internode with Same Cell Length: <i>LcSOC1-b2</i> Gene Involved in Height to First Pod but Not Flowering in Lentil (<i>Lens culinaris</i> Medik.) |
| title_fullStr | Longer Internode with Same Cell Length: <i>LcSOC1-b2</i> Gene Involved in Height to First Pod but Not Flowering in Lentil (<i>Lens culinaris</i> Medik.) |
| title_full_unstemmed | Longer Internode with Same Cell Length: <i>LcSOC1-b2</i> Gene Involved in Height to First Pod but Not Flowering in Lentil (<i>Lens culinaris</i> Medik.) |
| title_short | Longer Internode with Same Cell Length: <i>LcSOC1-b2</i> Gene Involved in Height to First Pod but Not Flowering in Lentil (<i>Lens culinaris</i> Medik.) |
| title_sort | longer internode with same cell length i lcsoc1 b2 i gene involved in height to first pod but not flowering in lentil i lens culinaris i medik |
| topic | cell length and width epidermal cell flowering time (FT) gene expression haplotype height to first pod (HFP) |
| url | https://www.mdpi.com/2223-7747/14/8/1157 |
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