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Author Zhang H., Zeng Y., Seo J., Kim Y.J., Kim S.T., Kwon S.W.
Title Global Identification and Characterization of C2 Domain-Containing Proteins Associated with Abiotic Stress Response in Rice (<i>Oryza sativa</i> L.).
C2 domain-containing proteins (C2DPs) have been identified in different genomes that contain single or multiple C2 domains in their C- or N-terminal. It possesses higher functional activity in the transmembrane regions. The identification of C2 domains were reported in a previous study, such as multiple C2 domains and transmembrane-region proteins (MCTPs) and N-terminal-TM-C2 domain proteins (NTMC2s) of rice, <i>Arabidopsis thaliana</i>, and cotton, whereas the <i>C2DP</i> gene family in rice has not been comprehensively studied, and the role of the <i>C2DP</i> gene in rice in response to abiotic stress is not yet fully understood. In this study, we identified 82 C2DPs in the rice genome and divided them into seven groups through phylogenetic analysis. The synteny analysis revealed that duplication events were either exhibited within the genome of rice or between the genomes of rice and other species. Through the analysis of <i>cis</i>-acting elements in promoters, expression profiles, and qRT-PCR results, the functions of <i>OsC2DPs</i> were found to be widely distributed in diverse tissues and were extensively involved in phytohormones-related and abiotic stresses response in rice. The prediction of the microRNA (miRNA) targets of <i>OsC2DPs</i> revealed the possibility of regulation by consistent miRNAs. Notably, <i>OsC2DP50/51/52</i> as a co-tandem duplication exhibited similar expression variations and involved the coincident miRNA-regulation pathway. Moreover, the results of the genotypic variation and haplotype analysis revealed that <i>OsC2DP17</i>, <i>OsC2DP29</i>, and <i>OsC2DP49</i> were associated with cold stress responses. These findings provided comprehensive insights for characterizations of <i>OsC2DPs</i> in rice as well as for their roles for abiotic stress.
Journal Int J Mol Sci
Country South Korea
Volume 23(4)
Year 2022
PubMed ID 35216337
PubMed Central ID 8875736
DOI 10.3390/ijms23042221
Gene AGAP BON1 BON3 C2DP11 C2DP14 C2DP16 C2DP19 C2DP20 C2DP21 C2DP22 C2DP23 C2DP24 C2DP25 C2DP28 C2DP32 C2DP34 C2DP35 C2DP38 C2DP39 C2DP4 C2DP40 C2DP42 C2DP46 C2DP47 C2DP49 C2DP5 C2DP54 C2DP56 C2DP59 C2DP60 C2DP63 C2DP64 C2DP65 C2DP66 C2DP67 C2DP68 C2DP71 C2DP72 C2DP73 C2DP75 C2DP78 C2DP81 C2DP9 CSIL1 CSIL2 FTIP1 FTIP7 NOP NTMC2T1.1 NTMC2T1.2 NTMC2T1.3 NTMC2T1.4 NTMC2T1.5 NTMC2T2.1 NTMC2T2.2 NTMC2T3 NTMC2T4.1 NTMC2T4.2 NTMC2T5 NTMC2T6.1 NTMC2T6.2 PIPLC1 PLC2 PLC3 PLC4 PLDALPHA3 PLDalpha1 PLDalpha2 PLDalpha4 PLDalpha5 PLDalpha6 PLDalpha8 PLDbeta1 PLDbeta2 PLDdelta1 PLDdelta2 PLDdelta3 PLDkappa RPP16 RPP17 SMCP1 SRC2
Strain Wild Core Collection -
Induced Mutation Lines(NIG Collection) -
Sterile Seed Strain -
Lethal Embryo
Mutantion Strain
Stages in Each Organ
- Muant Lines (Gene)
Cultivated Varieties(NIG Collection) -
Stages in Each Organ -