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Sibo Wang,Jingsong Guo,Ying Zhang,Yushuang Guo,Wei Ji 한국유전학회 2021 Genes & Genomics Vol.43 No.7
Background In response to various abiotic stressors such as drought, many plants engage diferent protein phosphatases linked to several physiological and developmental processes. However, comprehensive analysis of this gene family is lacking for soybean. Objective This study was performed to identify the TOPP-type protein phosphatase family in soybean and investigate the gene’s role under drought stress. Methods Soybean genome sequences and transcriptome data were downloaded from the Phytozome v.12, and the microarray data were downloaded from NCBI GEO datasets GSE49537. Expression profles of GmTOPP13 were obtained based on qRT-PCR results. GmTOPP13 gene was transformed into tobacco plants via Agrobacterium mediated method, and the drought tolerance was analyzed by water defcit assay. Results 15 GmTOPP genes were identifed in the soybean genome database (GmTOPP1–15). GmTOPP genes were distributed on 9 of 20 chromosomes, with similar exon-intron structure and motifs arrangement. All GmTOPPs contained Metallophos and STPPase_N domains as well as the core catalytic sites. Cis-regulatory element analysis predicted that GmTOPPs were widely involved in plant development, stress and hormone response in soybean. Expression profles showed that GmTOPPs expressed in diferent tissues and exhibited divergent expression patterns in leaf and root in response to drought stimulus. Moreover, GmTOPP13 gene was isolated and expression pattern analysis indicated that this gene was highly expressed in seed, root, leaf and other tissues detected, and intensively induced upon PEG6000 treatment. In addition, overexpression of GmTOPP13 gene enhanced the drought tolerance in tobacco plants. The transgenic tobacco plants showed regulation of stress-responsive genes including CAT, SOD, ERD10B and TIP during drought stress. Conclusions This study provides valuable information for the study of GmTOPP gene family in soybean, and lays a foundation for further functional studies of GmTOPP13 gene under drought and other abiotic stresses.
Direct Observation of Radiative Flux in the Southern Yellow Sea
Lu, Lian-Gang,Yu, Fei,Diao, Xinyuan,Guo, Jingsong,Wang, Huiwu,Wei, Chuanjie The Korean Society of Oceanography 2008 Ocean science journal Vol.43 No.2
Direct measurements of four radiative components at air-sea boundary layer were conducted in the southern Yellow Sea during three cruises (seasons) in 2007. Simultaneous observations of meteorological (cloud cover, air temperature and humidity) and oceanographic (sea surface temperature) parameters were carried out. Observational results of radiative fluxes and meteorological and oceanographic parameters are presented. Mean diurnal cycles of four radiative components, net radiation, and sea surface albedo are calculated to achieve averages in different seasons. Net radiative fluxes in three seasons (winter, spring, autumn) are 8, 146, $60\;W/m^2$, respectively. Comparisons between the observed radiative fluxes and those estimated with formulas are taken.