Genetic polymorphism analysis of t wo kinds of genetic markers in Hu sheep and Tong sheep

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1 2003, 26 (4) : Joural of N ajig A gricultural U iversity,,,, (, ) : , ( H) ( PIC) ( N e ) :, :, ; DNA ; : ; ; ; ; : S82612 : A : ( 2003) Geetic polymorphism aalysis of t wo kids of geetic markers i sheep ad Tog sheep YANG Zhag2pig, CHANG Hog, SUN Wei, GENG Rog2qig, MAO Yog2jiag ( College of Aimal Sciece ad Veteriary Medicie, Yagzhou Uiv, Yagzhou , Chia) Abstract : The geetic examiatio o 14 structural loci ad 7 microsatellite markers was carried out amog the radom samples i sheep ( ) ad Tog sheep ( Tog). Mea heterozygosity ( H), mea polymorphism iformatio cotets ( PIC) ad mea effective umber of alleles ( N e ) calculated by above two type of geetic marker data were compared. The results showed that mea H, PIC ad N e based o 7 microsatellite markers were greater tha that o structural loci. There were same tede2 cy betwee 2 populatios. It is idicate that structural loci ad microsatellite are reliable geetic markers for the research o ge2 etic polymorphism amog populatios ad much more abudat variatio ca be obtaied from microsatellite loci. There are approximate levels of polymorphism based o the two kids of geetic markers i two sheep populatios. These results support the usefuless of microsatellites i the study of geetic relatioships amog closely related populatios ad breeds. Key words : structural loci; microsatellite marker; mea heterozygosity; polymorphism iformatio cotets; effective um2 ber of alleles,, 1],,, ( geetic likage map) 2] 3], 4] Arraz J J 19 5,, 5] ; Yag L 5 1, 5 6] ; 5, 7],,, : : ( ) ; ( ) : ( 1965 ),,, E2mail : Tel :

2 4 : , 8], ml, 8 ml 9], 8 ml, SDS2EDTA, D NA 10] D NA 11], 112 ( Hb2 ) ( Al) ( Po) ( Tf) ( Alp) ( Lap) ( Ary2Es) X2 ( X2p) ( CA) ( MD H) ( Cat) D ( Es2D) ; ( Ly) ; MEDICA Na/ K/ Cl ( Ke) ; ( HICN), NICN Hb 14, Tsuoda K 12] 113 D NA 13 16] ( ) 1 1 MgCl 2 Table 1 The primer sequece, chromosome assigmet, aealig temperature ad MgCl 2 volume Chromosome assigmet Primer sequece / Aealig temperature MgCl 2 / L ( 25mmol L - 1 ) OarFCB 11 2 OarFCB OarFCB OarFCB MAF 70 4 MAF 33 9 OarAE ( CA strad) : GGCCTGAACTCACAAGTTGATATATCTATCAC ( GT strad) : GCAAGCAGGTTCTTTACCACTAGCACC ( CA strad) : CAGCTGAGCAACTAAGACATACATGGCG ( GT strad) : ATTAAAGCATCTTCTCTTTATTTCCTCGC ( CA strad) : CCCTAGGAGCTTTCAATAAAGAATCGG ( GT strad) : CGCTGCTGTCAACTGGGTCAGGG ( CA strad) : GAGTTATGTACAAGGATGACAAGAGGCAC ( GT strad) : GACTCTAGAGGATCGCAAAGAACCAG ( CA strad) : GCAGGACTCTACGGGGCCTTTGC ( GT strad) : CACGGAGTCACAAAGAGTCAGACC ( CA strad) : GATCATCTGAGTGTGAGTATATACAG ( GT strad) : GACTTTGTTTCAATCTATTCCAATTTC ( CA strad) : TAAGAAATATATTTGAAAAAACTGTATCTCCC ( GT strad) : TCCTTATAGATGCACTCAAGCTAGG PCR 20 L : 10 buffer 2 L, 25 mmol L - 1 MgCl L, 10 mmol L - 1 dntp 014 L, 8 pmol L - 1 GT CA 1 2 L, 5 U L - Taq 1 D NA L, 100 g D NA 20 L PCR : 94 5 mi ; s, s ( ), s, 30 ; mi, 4 PCR Hybird, HBPX220 PCR, 8 L 3 % 8 ( PAGE), EB, Kodak PBR322/ Msp I Marker, Kodak Digital Sciece ID Image Aalysis Software Ary2Es Alp Lap Ly X2p Ke 6, Al Tf Hb2 MD H Cat Es2D Po CA

3 ,, ( H) ( PIC) ( N e ) 17] : PIC = 1 - P 2 - H = 1 - N e P 2 i ; = 1/ P 2 i 2 P 2 i P 2 j = 2-1 l = i +1-1 l = i +1 P i P j (1 - P i P j ), P i P j i j ; , 14, 12 ( Al Es2D ) ; 7, 7 7, 212 H PIC N e H PIC N e, H PIC N e ( 3),, t, ; Table 2 Alleles frequecies of 7 microsatellite ad 14 structural loci at 2 sheep populatios Tog Tog Tog Tog OarFCB11 OarFCB48 MAF OarFCB OarAE

4 4 : 67 2 Table 2 cotiued Tog Tog Tog B Hb A B X2p Al X OarFCB304 C x Po CA F F S S Tf Cat MAF A B B C C MD H D F E S F Es2D Alp F B S B Ly Ary2Es A Ary2Es A Ary2Es Ke Lap L A H Tog 3 Table 3 The compariso of heterozgosity ( H), polymorphism iformatio cotet ( PIC), effective umber of alleles ( N e ) i 2 populatios based o structural gee ad microsatellite loci data H PIC N e Type Tog Tog Tog Structural loci Microsatellite loci , H PIC N e,,, D NA,,,, Nei Takezaki,, 18],,, 2], 14, Tf, 1 2, Tf PIC 015, 14 24,, OarFCB

5 , 7, PIC ,, PCR,,,,,, 14, Al Es2D, 1 4, ;, Fec B 5 OarAE ] ; Yag L 5 1 5, 8 6] 7, 7, ,, : 1] Su W, Chag H, Yag Z P, et al. Studies o the geetic relatioships at sheep populatios from east ad south of Cetral Asia J]. Asia2Aust J Aim Sci, 2002, 15( 10) : ] Baredse W, Vaima D, Kemp S L, et al. A medium desity geetic likage map of the bovie geome J]. Mammalia Geome, 1997, 8( 1) : ] Buchaa F C, Adams L J, Little Joh R P, et al. Determiatio of evolutioary relatioships amog sheep breeds usig microsatellites J]. Geomics, 1994, 15( 2) : ] Mary J, Mattpallil, Sheral, et al. Aalysis of coserved microsatellite sequece suggests closer relatioship bet wee water Buff alo Bubalus ad sheep Ovis aries J]. DNA ad Cell Biology, 1999, 18( 6) : ] Arraz J J, Bayo Y, Sa Primitivo F. Geetic relatioships amog Spaish sheep usig microsatellites J]. Aimal Geetics, 1998, 29( 6) : ] Yag L, Zhao S H, Li K, et al. Determiatio of geetic relatioships amog f ive idigeous Chiese goat breeds with six microsatel2 lite markers J]. Aimal Geetics, 1999, 30( 6) : ],,,. J]., 2002, 29( 6) : ]. M]. :, , ],,. M]. :, ]. M]. :, ]. M]. :, ] Tsuoda K, Noza wa K, Madeda Y, et al. Exteral morphological characters ad blood protei ad o protei polymorphisms of a2 tive sheep i cetral Mogolia J]. Rep Soc Res Native Livestock, 1999, 17 : ] Buchaa F C, Cra wford A M. Ovie diucleotide repeat polymorphism at the MAF 70 locus J]. Aimal Geetics, 1992, 23( 2) : ] Buchaa F C, Cra wford A M. Ovie diucleotide repet polymorphism at the MAF 33 locus J]. Aimal Geetics, 1992, 22( 2) : ] Buchaa F C, Cra wford A M. Ovie microsatellites at the Oar FCB11, Oar FCB128, Oar FCB193, OarFCB266 ad OarFCB304 loci J]. Aimal Geetics, 1993, 24( 2) : ] Motgomery G W, Gra wford A M, Pety J M, et al. The ovie Booroola fecudity gee ( FECB) is liked J]. Nature Geet, 1993, 4( 4) : ]. M].. :, ] Nei M, Takezaki N. Estimatio of geetic distace ad phylogeetic trees from DNA aalysis A]. Proc 5th World Cogr Geet Appl Lives Prod C]. Caada, 1994, 21 : :

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