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Author Ye J., Yang Y.L., Wei X.H., Niu X.J., Wang S., Xu Q., Yuan X.P., Yu H.Y., Wang Y.P., Feng Y., Wang S.
Title PGL3 is required for chlorophyll synthesis and impacts leaf senescence in rice.
Abstract:
Rice leaf color mutants play a great role in research about the formation and development of chloroplasts and the genetic mechanism of the chlorophyll (Chl) metabolism pathway. PGL3 is a rice leaf color mutant derived from Xiushui11 (Oryza sativa L. spp. japonica), treated with ethyl methane sulfonate (EMS). The mutant exhibited a pale-green leaf (pgl) phenotype throughout the whole development as well as reduced grain quality. Map-based cloning of PGL3 revealed that it encodes the chloroplast signal recognition particle 43 kDa protein (cpSRP43). PGL3 affected the Chl synthesis by regulating the expression levels of the Chl synthesis-associated genes. Considerable reactive oxygen species were accumulated in the leaves of PGL3, and the transcription levels of its scavenging genes were down-regulated, indicating that PGL3 can accelerate senescence. In addition, high temperatures could inhibit the plant's growth and facilitate the process of senescence in PGL3.
Journal J Zhejiang Univ Sci B
Country China
Volume 19(4)
Pages 263-273
Year
PubMed ID 29616502
PubMed Central ID 5964341
DOI 10.1631/jzus.B1700337
URL -
Relation
Gene AMTR1 APX2 CATB DVR PORA YGL9 _
INSD -
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
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Stages in Each Organ
- Muant Lines (Gene)
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Cultivated Varieties(NIG Collection) -
Stages in Each Organ -
/rice/oryzabase