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- Title
Genome-wide analysis and expression profiling of PP2C clade D under saline and alkali stresses in wild soybean and <italic>Arabidopsis</italic>.
- Authors
Chen, Chao; Yu, Yang; Ding, Xiaodong; Liu, Beidong; Duanmu, Huizi; Zhu, Dan; Sun, Xiaoli; Cao, Lei; Zaib-un-Nisa; Li, Qiang; Zhu, Yanming
- Abstract
Protein phosphatase 2Cs (PP2Cs) belong to the largest protein phosphatase family in plants. Some members have been described as being negative modulators of plant growth and development, as well as responses to hormones and environmental stimuli. However, little is known about the members of PP2C clade D, which may be involved in the regulation of signaling pathways, especially in response to saline and alkali stresses. Here, we identified 13 PP2C orthologs from the wild soybean (<italic>Glycine soja</italic>) genome. We examined the sequence characteristics, chromosome locations and duplications, gene structures, and promoter <italic>cis</italic>-elements of the PP2C clade D genes in <italic>Arabidopsis</italic> and wild soybean. Our results showed that GsPP2C clade D (<italic>GsAPD</italic>) genes exhibit more gene duplications than AtPP2C clade D genes. Plant hormone and abiotic stress-responsive elements were identified in the promoter regions of most PP2C genes. Moreover, we investigated their expression patterns in roots, stems, and leaves. Quantitative real-time PCR analyses revealed that the expression levels of representative GsPP2C and AtPP2C clade D genes were significantly influenced by alkali and salt stresses, suggesting that these genes might be associated with or directly involved in the relevant stress signaling pathways. Our results established a foundation for further functional characterization of PP2C clade D genes in the future.
- Subjects
PHOSPHOPROTEIN phosphatases; PLANT growth; ARABIDOPSIS; PLANT development; PLANT genomes; GENE expression in plants; EFFECT of stress on plants; SOYBEAN
- Publication
Protoplasma, 2018, Vol 255, Issue 2, p643
- ISSN
0033-183X
- Publication type
Article
- DOI
10.1007/s00709-017-1172-2