INHERITANCE OF KANAMYCIN AND ETHIONINE RESISTANCE INTRODUCED IN ALFALFA (MEDICAGO-SATIVA L) BY GENE-TRANSFER AND CELL SELECTION

被引:1
|
作者
SARUL, P
VLAHOVA, M
TODOROVSKA, E
ATANASSOV, A
机构
[1] INST GENET ENGN, KOSTINBROD, BULGARIA
[2] INST FORAGE CROPS, ULAANBAATAR, MONGOLIA
[3] DE MONTFORD UNIV, NORMAN BORLAUG CTR PLANT SCI RES, KOSTINBROD, BULGARIA
关键词
D O I
10.1080/13102818.1995.10818821
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Fertile kanamycin resistant plants of Medicago sativa L. were obtained by genetic transformation with binary vector of Agrobacterium tumefaciens and were used as a fertilizer of L-ethionine (ETH) resistant alfalfa variants. The dominant nature of both kanamycin and L-ethionine resistant traits was demonstrated by the double resistant phenotype of obtained hybrid plants. Southern blot analysis showed that transgenic plants and self-pollinated progeny harbored the kanamycin gene, and expressed the neomycin phosphotransferase (npt) activity in vitro. The inheritance of both single (kanamycin) and double (kanamycin and L-ethionine) resistance traits was analyzed and the way in which marker characters are segregated is discussed.
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页码:45 / 51
页数:7
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