Characterization and fine-mapping of a novel premature leaf senescence mutant yellow leaf and dwarf 1 in rice

Characterization and fine-mapping of a novel premature leaf senescence mutant yellow leaf and dwarf 1 in rice

Copyright © 2016 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 111(2017) vom: 01. Feb., Seite 50-58
1. Verfasser: Deng, Luchang (VerfasserIn)
Weitere Verfasser: Qin, Peng, Liu, Zhi, Wang, Geling, Chen, Weilan, Tong, Jianhua, Xiao, Langtao, Tu, Bin, Sun, Yuantao, Yan, Wei, He, Hang, Tan, Jun, Chen, Xuewei, Wang, Yuping, Li, Shigui, Ma, Bingtian
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Chloroplast Leaf senescence MutMap ROS Reactive oxygen species SA SNP Salicylic acid Single nucleotide polymorphism mehr... WT Wild type YLD Yellow leaf and dwarf Pigments, Biological Plant Growth Regulators Plant Proteins Salicylic Acid O414PZ4LPZ
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245 1 0 |a Characterization and fine-mapping of a novel premature leaf senescence mutant yellow leaf and dwarf 1 in rice 
264 1 |c 2017 
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500 |a Date Completed 01.05.2017 
500 |a Date Revised 30.09.2020 
500 |a published: Print-Electronic 
500 |a Citation Status MEDLINE 
520 |a Copyright © 2016 Elsevier Masson SAS. All rights reserved. 
520 |a Leaves are the main organs in which photosynthates are produced. Leaf senescence facilitates the translocation of photosynthates and nutrients from source to sink, which is important for plant development and especially for crop yield. However, the molecular mechanism of leaf senescence is unknown. Here, we identified a mutant, yellow leaf and dwarf 1 (yld1), which exhibited decreased plant height and premature leaf senescence. Nitroblue tetrazolium and diamiobenzidine staining analyses revealed that the concentrations of reactive oxygen species were higher in yld1 leaves than in wild type leaves. The photosynthetic pigment contents were significantly decreased in yld1. The yld1 chloroplasts had collapsed and were filled with abnormal starch granules. Combining bulk segregant and MutMap gene mapping approaches, the mutation responsible for the yld1 phenotype was mapped to a 7.3 Mb centromeric region, and three non-synonymous single nucleotide polymorphisms located in three novel genes were identified in this region. The expression patterns of the three candidate genes indicated that LOC_Os06g29380 had the most potential for functional verification. Plant hormone measurements showed that salicylic acid was highly accumulated in yld1 leaves when compared with wild type leaves, and yld1 was more sensitive to salicylic acid than wild type. This work lays the foundation for understanding the molecular regulatory mechanism of leaf senescence, and may reveal new connections among the molecular pathways related to leaf senescence, starch metabolism and salicylic acid signaling 
650 4 |a Journal Article 
650 4 |a Chloroplast 
650 4 |a Leaf senescence 
650 4 |a MutMap 
650 4 |a ROS 
650 4 |a Reactive oxygen species 
650 4 |a SA 
650 4 |a SNP 
650 4 |a Salicylic acid 
650 4 |a Single nucleotide polymorphism 
650 4 |a WT 
650 4 |a Wild type 
650 4 |a YLD 
650 4 |a Yellow leaf and dwarf 
650 7 |a Pigments, Biological  |2 NLM 
650 7 |a Plant Growth Regulators  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Salicylic Acid  |2 NLM 
650 7 |a O414PZ4LPZ  |2 NLM 
700 1 |a Qin, Peng  |e verfasserin  |4 aut 
700 1 |a Liu, Zhi  |e verfasserin  |4 aut 
700 1 |a Wang, Geling  |e verfasserin  |4 aut 
700 1 |a Chen, Weilan  |e verfasserin  |4 aut 
700 1 |a Tong, Jianhua  |e verfasserin  |4 aut 
700 1 |a Xiao, Langtao  |e verfasserin  |4 aut 
700 1 |a Tu, Bin  |e verfasserin  |4 aut 
700 1 |a Sun, Yuantao  |e verfasserin  |4 aut 
700 1 |a Yan, Wei  |e verfasserin  |4 aut 
700 1 |a He, Hang  |e verfasserin  |4 aut 
700 1 |a Tan, Jun  |e verfasserin  |4 aut 
700 1 |a Chen, Xuewei  |e verfasserin  |4 aut 
700 1 |a Wang, Yuping  |e verfasserin  |4 aut 
700 1 |a Li, Shigui  |e verfasserin  |4 aut 
700 1 |a Ma, Bingtian  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Plant physiology and biochemistry : PPB  |d 1991  |g 111(2017) vom: 01. Feb., Seite 50-58  |w (DE-627)NLM098178261  |x 1873-2690  |7 nnas 
773 1 8 |g volume:111  |g year:2017  |g day:01  |g month:02  |g pages:50-58 
856 4 0 |u http://dx.doi.org/10.1016/j.plaphy.2016.11.012  |3 Volltext 
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