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Characterization of F2 Progenies of Wound Minus Arabidopsis Mutant Crossed with Wild Type Plant
(Sang Gyu Park) 한국응용생명화학회 2000 Applied Biological Chemistry (Appl Biol Chem) Vol.43 No.1
To understand the signal transduction pathway that leads to the activation of the wound-inducible proteinase inhibitor II (pin2) promoter, F₂ progenies of wound (-) mutant crossed with wild-type Arabidopsis plants were biochemically and genetically characterized. Wound (-) mutant was derived from transgenic Arabidopsis plants containing bacterial cytosine deaminase gene under the control of pint promoter. The cytosine deaminase assays indicated that wound (-) mutant is a dominant inhibitor of wound-inducibility as only 3 of the 20 F₂ progenies showed cytosine deaminase (CDase) activity. To construct a structural map of the wound (-) mutant chromosomal regions, cleaved, amplified polymorphic sequences (CAPS) markers that cover all chromosomes were used. Chromosomal regions covered by three different CAPS markers could be candidates for further fine mapping of the location of the wound (-) mutation. g4026, RGA1, and ASA1, located at 84.9 on recombinant inbred (RI) map of chromosome I, at 1.75 on RI map of chromosome II, and 18.35 on RI map of chromosome V, respectively.
Sang Gyu Park,Robert W. Thornburg 한국응용생명화학회 2002 Journal of Applied Biological Chemistry (J. Appl. Vol.45 No.4
Six different clones of Arabidopsis thaliana expressed sequence tags (ESTs) were sequenced, among which ATTS1488 clone appeared to code a putative membrane transporter of purines. Comparison of the nucleotide sequence of ATTS1488 with that of a genomic put