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- 저자 : Jinsong Bao (검색결과 4 건)
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The Influence of Moisture Content on Shrinkage of Wool Fabrics during Domestic Tumble Drying Process
Wei Bao,Jinsong Shen,Xuemei Ding 한국섬유공학회 2021 Fibers and polymers Vol.22 No.2
Shrinkage of wool fabrics caused during tumble drying is a serious defect. In the drying process, the feltingshrinkage of wool fabrics was influenced by the moisture content and temperature of wool fabric as well as mechanical actionbeing applied on the wool fabric. In the current study, the relationship between moisture content of wool fabrics andshrinkage was studied in the drying programs under no heating condition or heated condition. This study also analyzedshrinkage behaviors of the untreated wool fabric and the Chlorine-Hercosett treated wool fabric with different moisturecontents. For the untreated wool fabric, moisture content in the fabric could influence the mechanical properties of woolfibers, resulting in the different extent of felting shrinkage of wool fabric during tumble drying. For the Chlorine-Hercosetttreated wool fabric at different initial moisture contents, there was no obvious variation in the length change under no heatingcondition, but a slight difference in the shrinkage under heated condition. The study could lead to the new guidance forefficient drying of wool fabric with less felting shrinkage.
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Identification and Functional Characterization of R3 MYB Transcription Factor Genes in Soybean
Shucai Wang,Jinsong Pang,Hongwei Xun,Zhibing Zhang,Yunxiao Zhou,Xueyan Qian,Yingshan Dong,Xianzhong Feng,Bao Liu 한국식물학회 2018 Journal of Plant Biology Vol.61 No.2
In Arabidopsis, trichome formation is regulatedby a MYB-bHLH-WD40 (MBW) transcriptional activatorcomplex, which can activate the expression of GLABRA2(GL2) and R3 MYB genes. GL2 is required for trichomeformation, whereas R3 MYBs inhibit trichome formation byblocking the formation of the MBW complex, thus inhibitingthe expression of GL2. By using the amino acid sequence of theArabidopsis R3 MYB transcription factor TRICHOMELESS1(TCL1) to BLAST the soybean (Glycine max) protein database,we found that there are a total of six R3 MYB genes insoybean, namely Glycine max TRICHOMELESS1 through 6(GmTCL1-GmTCL6). By generating transgenic plants, wefound that trichome formation in soybean plants overexpressingeach of the GmTCLs remained largely unchanged, and theexpression of putative GL1 and GL2 genes in the transgenicplants was unaffected. However, all the GmTCLs interactedwith GLABRA3 (GL3) in transfected Arabidopsis protoplasts,expression each of the GmTCLs in Arabidopsis inhibitedtrichome formation, and the expression levels of GL1 andGL2 were greatly reduced in the Arabidopsis transgenicplants. Moreover, phenotypic complementary analysis showedthat GmTCL1 is functionally equivalent to TCL1. Takentogether, these results suggest that GmTCLs are functionalR3 MYBs, however, they do not regulate trichome formationin soybean.
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Lina Li,Yaling Chen,Jinsong Bao,Shaonan Li 한국유전학회 2017 Genes & Genomics Vol.39 No.12
Daphniidae plays an important role in maintaining the integrity and sustainability of food chains of freshwater ecosystems. However, studies on the intact genes of chitinase in Daphniidae have not been carried out till date. In this study, we obtained the full-length complementary DNA (cDNA) from Daphnia carinata and Simocephalus vetulus, members of the Family Daphniidae, by rapid amplification of cDNA ends and polymerase chain reaction. The two cDNAs were named DcChi and SvChi, respectively. The result showed that DcChi and SvChi were 1404 and 1319 bp in length and they encoded 383 and 382 amino acids, respectively. Based on their cDNA sequences, the genomic structures of the two chitinases were characterized. Sequence analysis revealed that DcChi was composed of three exons and two introns, while SvChi had four exons and three introns. Based on the presence of conserved catalytic domain sequences, the two chitinases could be clustered within the same phylogenetic group. Homology analysis showed that the two deduced proteins had a high similarity (65–88%) to those from published species in Family Daphniidae and a low similarity to those from the species in Class Malacostraca Subclass Copepoda (38–42%) and those from the species in Class Insecta Order Diptera (33–38%). Based on the results of multiple alignments of chitinases, we designed peptides that were specific to chitinases from the Family Daphniidae. The quantitative real time PCR analysis indicated that the transcript level of the chitinase gene increased with the growth of the two species.
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Identification of QTLs for agronomic traits in indica rice using an RIL population
Feifei Xu,Yan Huang,Jinsong Bao 한국유전학회 2015 Genes & Genomics Vol.37 No.10
Increasing grain weight and breeding for ideal plant architecture are two means to improve the productivity of rice. Quantitative trait locus (QTL) mapping was conducted on ten yield component traits using a recombinant inbred line population derived from an indica 9 indica cross (M201 9 JY293). Correlation analysis revealed that plant height, panicle length and flag leaf length, classified as plant morphology traits, were positively correlated with grain shape traits such as thousandgrain weight, grain length and grain width. Two tillering traits, total and effective tiller numbers, showed negative correlations with nearly all the other traits tested. A total of 37 QTLs were detected over the 2-year study period, and 14 of them were identified in both years. Four clustered QTLs corresponding to known genes/QTLs (GW2, GS3, qGL3 and qTGW3.3) were revealed on chromosomes 2 and 3, which had pleiotropic effects on grain weight and plant architecture traits. QTL mapping demonstrated that qGL3 was a major QTL controlling grain length and weight, as well as plant height, panicle length and flag leaf length in rice. Three new QTLs, qTGW3.0, qGL2.2 and qETN4, were detected in both years and worth attention in breeding for high-yield rice varieties.
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