ﺑﺮرﺳﻲ ﺗﻨﻮع ژﻧﺘﻴﻜﻲ ﺑﺮﺧﻲ از ﮔﻮﻧﻪﻫﺎی ﺟﻨﺲ Crocus ﺑﺎ اﺳﺘﻔﺎده از ﻧﺸﺎﻧﮕﺮ ISSR

پذیرفته شده برای پوستر XML اصل مقاله (159.59 K)
عنوان دوره: سیزدهمین کنگره زراعت و اصلاح نباتات ایران
نویسندگان
1داﻧﺸﺠﻮی ﻛﺎرﺷﻨﺎﺳﻲ ارﺷﺪ داﻧﺸﮕﺎه ﻋﻠﻮم ﻛﺸﺎورزی و ﻣﻨﺎﺑﻊ ﻃﺒﻴﻌﻲ ﺳﺎری،
2اﺳﺘﺎدﻳﺎر داﻧﺸﮕﺎه ﻋﻠﻮم ﻛﺸﺎورزی و ﻣﻨﺎﺑﻊ ﻃﺒﻴﻌﻲ ﺳﺎری،
3داﻧﺸﺠﻮی دﻛﺘﺮی داﻧﺸﮕﺎه ﻋﻠﻮم ﻛﺸﺎورزی و ﻣﻨﺎﺑﻊ ﻃﺒﻴﻌﻲ ﺳﺎری،
4ﻋﻀﻮ ﻫﻴﺄت ﻋﻠﻤﻲ ﻣﺮﻛﺰ ﺗﺤﻘﻴﻘﺎت ﻛﺸﺎورزی ﻃﺮق- ﻣﺸﻬﺪ
چکیده
یکی از ﻛﺎرﺑﺮدﻫﺎی ﻣﻬﻢ ﺗﻜﻨﻴﻚﻫﺎی ﻣﻮﻟﻜﻮﻟﻲ ﺑﺮرﺳﻲ و ﺑﺮآورد ﺳﻄﺢ ﺗﻨﻮع ژﻧﺘﻴﻜﻲ در ژرمﭘﻼﺳﻢﻫﺎ و ﺟﻤﻌﻴﺖﻫﺎ، ﺑﺮای اﺳـﺘﻔﺎده ﻣﻄﻠـﻮب از آنﻫﺎ در ﺑﻪﻧﮋادی و ﻣﺪﻳﺮﻳﺖ ﺣﻔﻆ ذﺧﺎﻳﺮ ژﻧﺘﻴﻜﻲ ﮔﻴﺎﻫﺎن ﻣﻲﺑﺎﺷﺪ. ﺑﻪ اﻳﻦ ﻣﻨﻈﻮر ﺗﻨﻮع و ارﺗﺒﺎط ژﻧﺘﻴﻜﻲ 25 ﻧﻤﻮﻧﻪ از زﻋﻔﺮانﻫﺎی زراﻋﻲ و وﺣﺸﻲ ﺷـﺎﻣﻞ ﮔﻮﻧـﻪ ﻫـﺎ ی C. haussknechii ،C. cansellatuse ،C. speciosus ،C. sativus و C. michelsonii ﺑـﺎ اﺳـﺘﻔﺎده از ﭼﻨـﺪ ﻧﺸﺎﻧﮕﺮ ISSR ﻣﻮرد ﺑﺮرﺳﻲ ﻗﺮار ﮔﺮﻓﺖ. از ﺗﻌﺪاد 87 ﻣﻜﺎن ژﻧﻲ ﻛﻪ ﺗﻮﺳﻂ 7 آﻏﺎزﮔﺮ ISSR ﺗﻜﺜﻴﺮ ﺷﺪ ﺗﻌﺪاد 78 ﻣﻜﺎن ﭼﻨﺪﺷـﻜﻞ87/3
درﺻﺪ( ﺑﻮدﻧﺪ. ﻧﺘﺎﻳﺞ ﺣﺎﺻﻞ از ﺗﺠﺰﻳﻪ وارﻳﺎﻧﺲ ﻣﻮﻟﻜﻮﻟﻲ ﻧﺸﺎن داد ﻛﻪ ﺗﻨﻮع ژﻧﺘﻴﻜﻲ ﺑﻴﻦ ﺟﻤﻌﻴﺖﻫﺎ و درون ﺟﻤﻌﻴﺖﻫﺎ ﻣﻌﻨﻲدار اﺳﺖ. ﺑـﺮ اﺳﺎس اﻳﻦ ﺗﺠﺰﻳﻪ ﺳﻬﻢ ﺗﻨﻮع ژﻧﺘﻴﻜﻲ ﺑﻴﻦ ﺟﻤﻌﻴﺖﻫﺎ ﺑﺎ اﺳﺘﻔﺎده از ﻧﺸﺎﻧﮕﺮ ISSR، 36 درﺻﺪ ﺑـﺮآورد ﮔﺮدﻳـﺪ ﻣﻘـﺎد ﻳﺮ ﻣﺤﺘـﻮا ی اﻃﻼﻋـﺎت ﭼﻨﺪﺷﻜﻞ)PIC( ﻣﺤﺎﺳﺒﻪ ﺷﺪه از 0 /220 ﺗﺎ 341 /0 ﺑﻴﻦ آﻏﺎزﮔﺮﻫﺎ ﻣﺘﻔﺎوت ﺑﻮد. ﻧﺘﺎﻳﺞ ﺣﺎﺻﻞ ﻧﺸـﺎن داد ﻛـﻪ در ﺑـﻴﻦ و درون ﮔﻮﻧـﻪ ﻫـﺎ ی زﻋﻔﺮان ﺗﻨﻮع زﻳﺎدی وﺟﻮد دارد ﻛﻪ ﻣﻲﺗﻮان از آن در ﺑﺮﻧﺎﻣﻪﻫﺎی ﺑﻪ ﻧﮋادی اﻳﻦ ﮔﻴﺎه ﺑﺎ ارزش اﺳﺘﻔﺎده ﻛﺮد.
کلیدواژه ها
 
Title
Evaluation of genetic diversity in Crocus species using ISSR marker Hoda Jafari1, Hamid Najafi Zarini2, Mohamad Reza Bolandi3, Hadi Darzi Ramandi4
Authors
Abstract
One of the major applications of molecular techniques to investigate and estimate the level of genetic diversity in germplasm and populations, it is ideal for use in breeding and management of plant genetic resources is maintained. The diversity and genetic relationship of 25 samples of cultivated and wild species of crocus C. sativus, C. speciosus, C. cansellatuse, C. haussknechii and C. michelsonii were studied using several ISSR markers. Eight ISSR primers produced 78 bands it scored. Average polymorphism of ISSR markers obtained 87/3 %. Results of analysis of molecular variance showed that genetic variation between populations and within populations were significant. Based on this analysis with ISSR markers genetic variation among populations was 36%. Values of polymorphism information content (PIC) varying from 0.220 to 0.341. The results showed that there is a lot of variation between and within species crocus that can be used to value the plant breeding programs.
Keywords
AMOVA, ISSR marker, genetic diversity, PIC and Saffron