´ïÂíÀ­ÃàÑòpolyceraty£¨¶à½Ç£©¶¨Î»ÓÚÃàÑò2ºÅȾɫÌå Êä³öPDF ´òÓ¡
±à¼­£º ·ûÁÕÁÕ    2016-01-19

Polyceraty£¨¶à½ÇµÄ´æÔÚ£©ÔÚÏÖ´úÓÐÌãÀදÎïÖÐÊǺ±¼ûµÄ¡£ËäÈ»ÔÚÒ°ÉúÃàÑòÖÐûÓÐÕÒµ½£¬µ«¶à½ÇȷʵÔÚÒ»¸ö¸²¸Ç¹ã·ºµÄµØÀíÇøÓòÄÚµÄСÊýÁ¿¹úÄÚÃàÑòÆ·ÖÖÖз¢Éú¡£´ïÂíÀ­ÃàÑòÊÇ´óβëÑò£¬À´×Ô·ÇÖÞÎ÷ÄϵØÇø£¬Ëü±íÏÖ³ö´Ó0µ½4²»µÈµÄ½Ç¸öÊý¡£Ñо¿ÈËÔ±ÀûÓÃÈ«»ùÒò×é¹ØÁª·ÖÎö¶Ô43Ö»´ïÂíÀ­ÃàÑò½ÇÊýÐÔ×´ºÍ606 006¸öSNP±ê¼Ç½øÐлùÒò·ÖÐÍ¡£

·ÖÎö½á¹ûÏÔʾ£¬¶à¸öÖØÒªµÄµ¥ºËÜÕËá¶à̬ÐÔÇøÓòλÓÚÃàÑò2ºÅȾɫÌ壬¶øÓëÎÞ½ÇÃàÑòµÄÍ»±äλÖÃÔÚ10ºÅȾɫÌåÉϲ»Í¬¡£Ñо¿ÖÐûÓз¢ÏÖµ¼Ö¶à½ÇÐÔ×´µÄ¹Ø¼üÍ»±ä£»È»¶ø£¬Óë¶à½ÇÏà¹ØµÄÇøÓò¿çÔ½ÁË9¸öHOXD»ùÒò£¬Õâ¶ÔÓÚ¸½ÊôÆ÷¹ÙµÄÅßÌ¥·¢ÓýÊÇÖÁ¹ØÖØÒªµÄ¡£HOXD»ùÒòÖеÄÍ»±äÉæ¼°È˺ÍСÊópolydactlyµÄ±íÏÖÐÍ¡£Ä¿Ç°Ã»ÓÐÖ¤¾Ý±íÃ÷ÉÏ뻥×÷ÓÐÀûÓÚ¶à½ÇµÄÐγɡ£¸ÃÏîÑо¿µÚÒ»´Î±¨µÀÁËÒÅ´«»úÖÆÒýÆðµÄ´ïÂíÀ­ÃàÑòµÄ¶à½Ç¡£

Ô­ÎÄÕªÒªÈçÏ£º

Polyceraty (multi-horns) in Damara sheep maps to ovine chromosome 2

Greyvenstein OF1Reich CM2van Marle-Koster E3Riley DG1Hayes BJ2,4

Abstract£ºPolyceraty (presence of multiple horns) is rare in modern day ungulates. Although not found in wild sheep, polyceraty does occur in a small number of domestic sheep breeds covering a wide geographical region. Damara are fat-tailed hair sheep, from the south-western region of Africa, which display polyceraty, with horn number ranging from zero to four. We conducted a genome-wide association study for horn number with 43 Damara genotyped with 606 006 SNP markers. The analysis revealed a region with multiple significant SNPs on ovine chromosome 2, in a location different from the mutation for polled in sheep on chromosome 10. The causal mutation for polyceraty was not identified; however, the region associated with polyceraty spans nine HOXD genes, which are critical in embryonic development of appendages. Mutations in HOXD genes are implicated in polydactly phenotypes in mice and humans. There was no evidence for epistatic interactions contributing to polyceraty. This is the first report on the genetic mechanisms underlying polyceraty in the under-studied Damara.

Keywords: GWAS, Ovine Infinium, horns, multiple horns, polycerate

¸üÏêϸÄÚÈÝ


Ïà¹ØÐÅÏ¢:

< ÉÏһƪ   ÏÂһƪ >
Ê×Ò³
C1 Ñо¿½øÕ¹
C2 ÈâÑòÏîÄ¿
C3 Ñз¢ÈËÔ±
C4 ÒÇÆ÷É豸
C5 Íâ¹ú»ú¹¹
C6 ɽÑòÆ·ÖÖ
C7 ÃàÑòÆ·ÖÖ
C8 ÖÖÑòÆóÒµ
C9 ´«È¾²¡
C10 ÆÕͨ²¡
C11 ¼ÄÉú³æ²¡
C12 ËÇÁÏÓªÑø
C13 ÑòÈâ¼Ó¹¤
C14 ¼Ó¹¤ÆóÒµ
C15 Éú²úóÒ×
C16 ÉèÊ©É豸
C17 ÊÞÒ½Ò©Æ·
C18 ÊÞÒ½Æ÷е
C19 ÊÞÒ½ÈËÔ±
×îÐÂÎÄÕÂ
Warning: Parameter 1 to modules_html::module2() expected to be a reference, value given in /www/wwwroot/cars.hzau.edu.cn/sheep/includes/Cache/Lite/Function.php on line 92
建昌黑山羊2.jpg
ͼƬÎÄÕÂ
    
º£ÄϺÚɽÑò
    
¼òÑô´ó¶úÑò
    
´ó×ãºÚɽÑò
    
ÎÚ¹ÇɽÑò
    
Ç­±±ÂéÑò
    
»±É½Ñò