DEGENERATED PANICLE AND PARTIAL STERILITY 1 (DPS1) encodes a cystathionine β-synthase domain containing protein required for anther cuticle and panicle development in rice

DEGENERATED PANICLE AND PARTIAL STERILITY 1 (DPS1) encodes a cystathionine β-synthase domain containing protein required for anther cuticle and panicle development in rice

© 2019 The Authors. New Phytologist © 2019 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 225(2020), 1 vom: 01. Jan., Seite 356-375
1. Verfasser: Zafar, Syed Adeel (VerfasserIn)
Weitere Verfasser: Patil, Suyash B, Uzair, Muhammad, Fang, Jingjing, Zhao, Jinfeng, Guo, Tingting, Yuan, Shoujiang, Luo, Qian, Shi, Jianxin, Schreiber, Lukas, Li, Xueyong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Oryza sativa CBS domain anther cuticle panicle apical degeneration reactive oxygen species (ROS) seed setting rate Fatty Acids Membrane Lipids mehr... Plant Proteins Reactive Oxygen Species Waxes cutin 54990-88-4 Hydrogen Peroxide BBX060AN9V Cystathionine beta-Synthase EC 4.2.1.22
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245 1 0 |a DEGENERATED PANICLE AND PARTIAL STERILITY 1 (DPS1) encodes a cystathionine β-synthase domain containing protein required for anther cuticle and panicle development in rice 
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520 |a © 2019 The Authors. New Phytologist © 2019 New Phytologist Trust. 
520 |a Degeneration of apical spikelets and reduced panicle fertility are common reasons for low seed-setting rate in rice (Oryza sativa). However, little is known about the underlying molecular mechanisms. Here, we report a novel degenerated panicle and partial sterility 1 (dps1) mutant that showed panicle apical degeneration and reduced fertility in middle spikelets. dps1 plants were characterized by small whitish anthers with altered cuticle morphology and absence of pollen grains. Amounts of cuticular wax and cutin were significantly reduced in dps1 anthers. Panicles of dps1 plants showed an accumulation of reactive oxygen species (ROS), lower antioxidant activity, and increased programmed cell death. Map-based cloning revealed that DPS1 encodes a mitochondrial-localized protein containing a cystathionine β-synthase domain that showed the highest expression in panicles and anthers. DPS1 physically interacted with mitochondrial thioredoxin proteins Trx1 and Trx20, and it participated in ROS scavenging. Global gene expression analysis in dps1 revealed that biological processes related to fatty acid metabolism and ROS homeostasis were significantly affected, and the expression of key genes involved in wax and cutin biosynthesis were downregulated. These results suggest that DPS1 plays a vital role in regulating ROS homeostasis, anther cuticle formation, and panicle development in rice 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Oryza sativa 
650 4 |a CBS domain 
650 4 |a anther cuticle 
650 4 |a panicle apical degeneration 
650 4 |a reactive oxygen species (ROS) 
650 4 |a seed setting rate 
650 7 |a Fatty Acids  |2 NLM 
650 7 |a Membrane Lipids  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a Reactive Oxygen Species  |2 NLM 
650 7 |a Waxes  |2 NLM 
650 7 |a cutin  |2 NLM 
650 7 |a 54990-88-4  |2 NLM 
650 7 |a Hydrogen Peroxide  |2 NLM 
650 7 |a BBX060AN9V  |2 NLM 
650 7 |a Cystathionine beta-Synthase  |2 NLM 
650 7 |a EC 4.2.1.22  |2 NLM 
700 1 |a Patil, Suyash B  |e verfasserin  |4 aut 
700 1 |a Uzair, Muhammad  |e verfasserin  |4 aut 
700 1 |a Fang, Jingjing  |e verfasserin  |4 aut 
700 1 |a Zhao, Jinfeng  |e verfasserin  |4 aut 
700 1 |a Guo, Tingting  |e verfasserin  |4 aut 
700 1 |a Yuan, Shoujiang  |e verfasserin  |4 aut 
700 1 |a Uzair, Muhammad  |e verfasserin  |4 aut 
700 1 |a Luo, Qian  |e verfasserin  |4 aut 
700 1 |a Shi, Jianxin  |e verfasserin  |4 aut 
700 1 |a Schreiber, Lukas  |e verfasserin  |4 aut 
700 1 |a Li, Xueyong  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t The New phytologist  |d 1979  |g 225(2020), 1 vom: 01. Jan., Seite 356-375  |w (DE-627)NLM09818248X  |x 1469-8137  |7 nnns 
773 1 8 |g volume:225  |g year:2020  |g number:1  |g day:01  |g month:01  |g pages:356-375 
856 4 0 |u http://dx.doi.org/10.1111/nph.16133  |3 Volltext 
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