| Yazarlar |
Dr. Öğr. Üyesi Orhan ULUÇAY
Kafkas Üniversitesi, Türkiye |
Muhammet Şakiroğlu
Kafkas Üniversitesi, Türkiye |
| Özet |
| Legume seeds are important as protein and oil source for human diet. Understanding how their final seed size is determined is crucial to improve crop yield. In this study, we analyzed seed development of three accessions of the model legume, Medicago truncatula, displaying contrasted seed size. By comparing two large seed accessions to the reference accession A17, we described mechanisms associated with large seed size determination and potential factors modulating the final seed size. We observed that early events during embryogenesis had a major impact on final seed size and a delayed heart stage embryo development resulted to large seeds. We also observed that the difference in seed growth rate was mainly due to a difference in embryo cell number, implicating a role of cell division rate. Large seed accessions could be explained by an extended period of cell division due to a longer embryogenesis phase. According to our observations and recent reports, we observed that auxin (IAA) and abscisic acid (ABA) ratio could be a key determinant of cell division regulation at the end of embryogenesis. Overall, our study highlights that timing of events occurring during early seed development play decisive role for final seed size determination. |
| Anahtar Kelimeler |
| legume grains,abscisic acid,auxin,cell division,embryogenesis,Medicago truncatula,seed size |
| Makale Türü | Özgün Makale |
| Makale Alt Türü | SSCI, AHCI, SCI, SCI-Exp dergilerinde yayımlanan tam makale |
| Dergi Adı | International Journal of Molecular Sciences |
| Dergi ISSN | 1422-0067 |
| Dergi Tarandığı Indeksler | SCI-Expanded |
| Makale Dili | İngilizce |
| Basım Tarihi | 09-2016 |
| Cilt No | 17 |
| Sayı | 9 |
| Sayfalar | 1472 / |
| Doi Numarası | 10.3390/ijms17091472 |
| Makale Linki | http://www.mdpi.com/1422-0067/17/9/1472 |
| Atıf Sayıları | |
| WoS | 7 |
| SCOPUS | 7 |
| Google Scholar | 10 |
