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Zhi Yuan Fu,Hui Ling Xie,Jian Sheng Li,Yan Min Hu,Zong Hua Liu,Zhong You He,Ji Hua Tang 한국유전학회 2008 Genes & Genomics Vol.30 No.6
Thermo-sensitive genic male sterile (TGMS) lines can provide new options for hybrid seed production using "two-line" system. A set of F2 and BC1 populations derived from the cross between Qiong-6ms and Dan958 were employed to analyze the inheritance of a TGMS line Qiong-6ms and map the TGMS genes in maize. The results demonstrated that the sterility of Qiong-6ms was governed by two duplicative recessive genes, named tms1 and tms2. The gene tms1 was mapped to chromosome 5 linked with the SSR markers umc1355, umc2302 and umc1784 at a distance of 3.0 cM, 1.3 cM and 0.9 cM respectively; while tms2 was localized on chromosome 3, linked with SSR markers bnlg1605 (0.5 cM) and umc2050 (4.2 cM). These markers, which are tightly linked with the tms1 and tms2 genes, will be helpful for marker assisted selection of TGMS lines in maize.
Zhi-Fu Guo,Xiang-Yu Long,Pan Dong,Yu-Ming Wei,Li-Ping Bai,Xiao-Xuan Dang,Hao-Lei Wan,Li-Jun Zhang,You-Liang Zheng 한국유전학회 2011 Genes & Genomics Vol.33 No.2
The α-gliadins from Crithopsis delileana (Schult) Roshev (2n=2x=14, KK) were investigated by Acid polyacrylamide gel electrophoresis (A-PAGE) analysis. It was indicated that the electrophoresis mobility of gliadins from C.delileana had obvious difference with those from common wheat in α, γand ω region. Using primers designed from published sequences of α-gliadin genes, three α-gliadin genes were isolated from C. delileana, which were designated as gli-ka1,gli-ka2 and gli-ka3, respectively. Two in-frame stop codons were found in the coding sequences of gli-ka3, indicating that gli-ka3 could be a pseudogene. The gli-ka2 was a gliadin with an odd number of cysteines, resulting from a non-synonymous mutation. This change might lead to the interactive behavior of gli-ka2. Three α-gliadin genes of C. delileana had the similar but not identical primary structures to the corresponding gene sequences from other wheat related species. By the alignment of α-gliadin genes from Triticeae,phylogenetic analysis indicated that three α-gliadin genes of C. delileana clustered together with all α-gliadin genes from Ee genome of Lophopyrum elongatum by an interior paralleled branch.
Molecular cloning of two novel stearoyl-acyl desaturase genes from winterness wheat
Zhi-Fu Guo,Feng-Zhen Li,Xiao-Gang Ma,Feng Lin,Hui Ma,Li-Jing Chen,Ming Zhong,Li-Ping Bai,Ying Yi 한국유전학회 2011 Genes & Genomics Vol.33 No.5
Using RT-PCR and rapid amplification of cDNA ends, two new full-length cDNAs of SAD (TaSAD1 and TaSAD2) were obtained from a hardiest winter wheat cultivar (Mironovskaya808). Sequence comparison analysis showed that the deduced amino acid sequences of TaSAD1 and TaSAD2 had high similarity to those of other reported SAD proteins. They were also different each other by some substitutions, insertions and/or deletions involving single amino acid residues or motifs. Based on evolution analysis, it was clear that all SAD genes from Poaceae were closer than those from other genus such as Arabidopsis,Glycine, Triadica, Brassica, Sesamum and Bassia. All SAD genes clustered into two major groups in Poaceae. Meanwhile,TaSAD1 and TaSAD2 were clustered into different groups. The tertiary structure prediction indicated that both TaSAD1 and TaSAD2 proteins were a compact globular protein and their model structures almost were the same.
Altered mRNA Levels of MOV10, A3G, and IFN-α in Patients with Chronic Hepatitis B
Zhi-Wei Song,Yan-Xiu Ma,Li-Juan Fu,Bao-qing Fu,Xu Teng,Si-Jia Chen,Wei-Zhen Xu,Hong-Xi Gu 한국미생물학회 2014 The journal of microbiology Vol.52 No.6
To explore the relationship of the MOV10, A3G, and IFN-αmRNA levels with chronic hepatitis B virus (HBV) infection,Blood samples from 96 patients with chronic hepatitis B(CHB) and 21 healthy individuals as control were collected. HBV DNA load and aminotransferase in the serum weretested using real time PCR and velocity methods, respectively. The MOV10, A3G, and IFN-α mRNA levels in theperipheral blood mononuclear cells (PBMC) were examinedthrough qRT-PCR. The MOV10, A3G, and IFN-α mRNAlevels in CHB group was significantly lower than those inthe control group (P<0.01, P<0.05, P<0.01, respectively). TheA3G mRNA level in the high-HBV DNA load group waslower than that in the low-HBV DNA load group (P<0.05). However, no statistical difference was found in the MOV10and IFN-α mRNA levels between the two HBV DNA loadgroups. Furthermore, the MOV10 mRNA level showed positivecorrelation with IFN-α in the control group. These resultsindicated that the expression of the innate immune factorsMOV10, A3G, and IFN-α is affected by chronic HBV infection.
Zhi-Rong Zhong,Zhi-rong Zhang,Ji Liu,Yong Deng,Hong-wei Zhang,Yao Fu,Qing-guo Song,Qin He 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.1
A novel non-viral gene delivery system, Procationic-Liposome-Protamine-DNA complexes (PLPD) which could further adsorb transferrin on the surface as a targeting ligand to form Tf- PLPD, was prepared and characterized before and after lyophilization. The size distribution of Tf-PLPD was in the range of 240 ± 12 nm and the zeta potential was -24.10 ± 2.5 mV. The transfection efficiencies of PLPD and Tf-PLPD were 12.18 ± 3.8 and 24.26 ± 2.6 mU β-galactosidase/ mg protein respectively. The lyophilization and the presence of serum didn’t affect the tansfectivities of PLPD or Tf-PLPD. Compared to LipofectamineTM 2000 (Invitrogen, U.S.A.), the procationic liposomes had less cytotoxicity to cells. In summary the procationic lipoplex described here, combining the condensing effect of protamine and the targeting capability of Tf, was a perspective non-viral vector for gene delivery system.
Zhi-Fu Guo,Li-Jun Zhang,Ming Zhong,Yu-Ming Wei,Li Zhang,Hui Ma,Hao-Ge Li,Li-Jing Chen,Jing-Wei Lin,You-Liang Zheng 한국유전학회 2010 Genes & Genomics Vol.32 No.3
By acid polyacrylamide gel electrophoresis (A-PAGE) analysis,it was indicated that the electrophoresis mobility of gliadins from Crithopsis delileana (Schult) Roshev (2n=2x=14,KK) had obvious difference with those from common wheat in α, γ and ω region. Using homologous primers, two γ-gliadin genes (gli-Kr1 and gli-Kr2) were isolated from C. delileana,which had been deposited in the GenBank under accession numbers EU283818 and EU283821, respectively. Two γ-gliadin genes of C. delileana had the similar primary structures to the corresponding gene sequences from other wheat related species. The differences were mainly resulted from substitutions,insertions and deletions involving single amino acid residues or motifs of γ-gliadins. The repetitive domains of gli-Kr1 and gli-Kr2 from C. delileana are shorter than most of other sequences. By the alignment of γ-gliadin genes from A, B, D, Am, Au, S, Sl, Ssh, Ss and Sb genomes of Triticum and Aegilops, R genome of Secale (γ-secalin), Ee genome of Lophopyrum and K genome of Crithopsis in Triticeae, phylogenetic analysis indicated that two γ-gliadin genes of C. delileana could be clustered together with a γ-gliadin genefrom Ssh genome of Aegilops by an interior paralleled branch. It was the first time that the γ-gliadin genes encoded by K genome of C. delileana were characterized. These could offer precious information for better understanding the qualities associated with gliadins, the response in coeliac disease and studying the evolutionary relationship of gliadins in Triticeae.
THE ELECTRON FRACTION AND THE FERMI ENERGY OF RELATIVISTIC ELECTRONS IN A NEUTRON STAR
GAO, ZHI FU,LI, X.D.,WANG, N.,PENG, Q.H. The Korean Astronomical Society 2015 天文學論叢 Vol.30 No.2
We first deduce a uniform formula forthe Fermi energy of degenerate and relativistic electrons in the weak-magnetic field approximation. Then we obtain an expression of the special solution for the electron Fermi energy through this formula, and express the electron Fermi energy as a function of electron fraction and matter density. Our method is universally suitable for relativistic electron- matter regions in neutron stars in the weak-magnetic field approximation.
Zhong, Zhi-Rong,Zhang, Zhi-Rong,Liu, Ji,Deng, Yong,Zhang, Hong-Wei,Fu, Yao,Song, Qing-Guo,He, Qin 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.1
A novel non-viral gene delivery system, Procationic-Liposome-Protamine-DNA complexes (PLPD) which could further adsorb transferrin on the surface as a targeting ligand to form Tf-PLPD, was prepared and characterized before and after lyophilization. The size distribution of Tf-PLPD was in the range of $240{\pm}12nm$ and the zeta potential was $-24.10{\pm}2.5mV$. The transfection efficiencies of PLPD and Tf-PLPD were $12.18{\pm}3.8\;and\;24.26{\pm}2.6mU\;{\beta}-galactosidase/mg$ protein respectively. The lyophilization and the presence of serum didn't affect the tansfectivities of PLPD or Tf-PLPD. Compared to $Lipofectamine^{TM}$ 2000 (Invitrogen, U.S.A.), the procationic liposomes had less cytotoxicity to cells. In summary the procationic lipoplex described here, combining the condensing effect of protamine and the targeting capability of Tf, was a perspective non-viral vector for gene delivery system.
Existence of solution for impulsive fractional dynamic equations with delay on time scales
Zhi-Juan Gao,Xu-Yang Fu,Qiao-Luan Li 한국전산응용수학회 2015 Journal of applied mathematics & informatics Vol.33 No.3
This paper is mainly concerned with the existence of solution for nonlinear impulsive fractional dynamic equations on a special time scale. We introduce the new concept and propositions of fractional $q$-integral, $q$-derivative, and $\alpha$-Lipschitz in the paper. By using a new fixed point theorem, we obtain some new existence results of solutions via some generalized singular Gronwall inequalities on time scales. Further, an interesting example is presented to illustrate the theory.