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Development of genetic markers for b...

Bormans, Concetta Ann.

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Development of genetic markers for blast resistance genes in rice (Oryza sativa L.) for use in marker assisted selection.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Development of genetic markers for blast resistance genes in rice (Oryza sativa L.) for use in marker assisted selection./
作者:	Bormans, Concetta Ann.
面頁冊數:	137 p.
附註:	Chair: William Park.
Contained By:	Dissertation Abstracts International63-07B.
標題:	Agriculture, Plant Pathology. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3060771
ISBN:	0493764127

Development of genetic markers for blast resistance genes in rice (Oryza sativa L.) for use in marker assisted selection.
Bormans, Concetta Ann.

Development of genetic markers for blast resistance genes in rice (Oryza sativa L.) for use in marker assisted selection. - 137 p.

Chair: William Park.

Thesis (Ph.D.)--Texas A&M University, 2002.

Rice blast is caused by the fungus <italic>Pyricularia grisea</italic> (syn: <italic>Magnaporthe grisea</italic> (Herbert) Barr), and is one of the most devastating diseases affecting rice. The potentially devastating economic impact resulting from blast infection has prompted worldwide efforts to product blast resistant rice varieties. The primary mechanism for resistance is through naturally occurring blast resistance genes.

ISBN: 0493764127Subjects--Topical Terms:

1028950
Agriculture, Plant Pathology.

Development of genetic markers for blast resistance genes in rice (Oryza sativa L.) for use in marker assisted selection.
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245 1 0 $a Development of genetic markers for blast resistance genes in rice (Oryza sativa L.) for use in marker assisted selection.
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500 $a Source: Dissertation Abstracts International, Volume: 63-07, Section: B, page: 3127.
502 $a Thesis (Ph.D.)--Texas A&M University, 2002.
520 $a Rice blast is caused by the fungus <italic>Pyricularia grisea</italic> (syn: <italic>Magnaporthe grisea</italic> (Herbert) Barr), and is one of the most devastating diseases affecting rice. The potentially devastating economic impact resulting from blast infection has prompted worldwide efforts to product blast resistant rice varieties. The primary mechanism for resistance is through naturally occurring blast resistance genes.
520 $a One way to improve the scope and durability of blast resistance is to “pyramid” resistance genes by crossing varieties with complementary genes to provide multigenic resistance against a wide spectrum of blast races. We have developed DNA markers for several blast resistance genes, which together confer resistance to all races of blast predominant in the United States. Using degenerate primer pairs based on the P-loop, nucleotide binding site, and putative hydrophobic disease resistance gene motifs of <italic>N</italic> and <italic>RPS2</italic>, as well as microsatellite markers found in public databases, we have identified DNA markers that cosegregate with each gene in a wide range of germplasm. In a range of crosses, the apparent genetic distance between these markers and blast resistance ranged from 0–13 cM.
520 $a These markers can now be used as an alternative to conventional phenotypic screening for detection of blast resistance genes. The use of these markers in breeding programs will allow rapid introgression of blast resistance into susceptible varieties as well as incorporation of multiple resistance genes into one line for a more durable blast resistance.
590 $a School code: 0803.
650 4 $a Agriculture, Plant Pathology. $3 1028950
650 4 $a Biology, Genetics. $3 1017730
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