功能标记的开发_特点和应用研究进展.pdfVIP

37 1 ( ) Vol. 37 No. 1 2009 1 Journal of Nort hw est A F Universit y( Nat. S i. Ed. ) Jan. 2009 * a b a 贺道华 , 雷忠萍, 邢宏宜 ( a. , b. , 712100) [ ] = , , DNA = , , = DNA DNA , , DNA ( ) , , , DNA ( ) ; = , DNA , [ ] DNA ; ; ; [ ] Q78 [ ] A [ ] 167 1-9387( 2009) 01-0110-07 Development progress, characterist ics and applicat ion of f unctional marker a b a HE Dao- hua , LEI Zhong-ping , XING Hong- yi ( a. College of A g ronomy ; b. Colleg e of L if e S ciences , N or thw est A F University , Yangling , S haan i 712100, China) Abstract: =Obje tive T he purpose of the arti le w as to sum up the limitations derived from past DNA marker s and latest advan es of marker s development, so as to fa ilitate the futur e development and appli a- tion of desirable DNA marker s. =Method The resear h method w as based on the authors resear h exper-i en e and overall analysis of the related do uments. =Rusult Compared w ith DNA marker s previously de- r ived from random region of genome ( termed anonymous DNA markers, RDM) , the latest marker s ar e de- r ived from sequen e motifs affe ting phenotypi variation and fa ilitate dete ting polymorphism of fun tion- al genes ontrolling phenotype ( termed fun tional mar kers, FM s) . FM s are hara terized w ith many advan- tages, symbolizing a new stage in the development of DNA markers. With the rapid development of mole u- lar biology, espe ially the dev