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Gene expression differences between ...

Liu, Yanyan.

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Gene expression differences between shortleaf pine and loblolly pine after top-killing.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Gene expression differences between shortleaf pine and loblolly pine after top-killing./
作者:	Liu, Yanyan.
面頁冊數:	236 p.
附註:	Source: Dissertation Abstracts International, Volume: 70-09, Section: B, page: 5320.
Contained By:	Dissertation Abstracts International70-09B.
標題:	Biology, Molecular. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3372181
ISBN:	9781109347944

Gene expression differences between shortleaf pine and loblolly pine after top-killing.
Liu, Yanyan.

Gene expression differences between shortleaf pine and loblolly pine after top-killing. - 236 p.

Source: Dissertation Abstracts International, Volume: 70-09, Section: B, page: 5320.

Thesis (Ph.D.)--Oklahoma State University, 2009.

Scope and Method of Study. Shortleaf pine sprouts prolifically after disturbance such as fire. Much attention has been paid to its restoration due to its increasingly declining population. Shortleaf pine's strong sprouting ability has huge potential in promoting its regeneration. However, little is known about its sprouting mechanism at the molecular level. A microarray experiment was designed to study genes responsible for this sprouting ability.

ISBN: 9781109347944Subjects--Topical Terms:

1017719
Biology, Molecular.

Gene expression differences between shortleaf pine and loblolly pine after top-killing.
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245 1 0 $a Gene expression differences between shortleaf pine and loblolly pine after top-killing.
300 $a 236 p.
500 $a Source: Dissertation Abstracts International, Volume: 70-09, Section: B, page: 5320.
500 $a Adviser: Charles G. Tauer.
502 $a Thesis (Ph.D.)--Oklahoma State University, 2009.
520 $a Scope and Method of Study. Shortleaf pine sprouts prolifically after disturbance such as fire. Much attention has been paid to its restoration due to its increasingly declining population. Shortleaf pine's strong sprouting ability has huge potential in promoting its regeneration. However, little is known about its sprouting mechanism at the molecular level. A microarray experiment was designed to study genes responsible for this sprouting ability.
520 $a Findings and Conclusions. In this study, one year old shortleaf pine and loblolly pine seedlings are top-killed, and tissues collected just before sprouting were used. As in the natural environment, shortleaf pine showed extraordinary strong sprouting ability and large amounts of sprouts were seen two days after top-killing. However, on loblolly pine only a few sprouts were seen one week after top-killing. By microarray gene profiling with about 2400 cDNA clones obtained from suppression subtractive hybridization, 139 differentially expressed genes were found to be associated with sprouting, including genes functioning in reserve (carbohydrates and fatty acid) mobilization, transcriptional regulation, stress response, plant development, signal transduction and hormone regulation. 130 differentially expressed genes were found to be responsible for the dormancy release of axillary buds of shortleaf pine after top-killing. In contrast, only 32 differentially expressed genes were detected for loblolly pine. Shortleaf pine responds actively to top-killing at the molecular level. As reported for dormancy release of buds of other perennial plants, oxidative stress might be the major factor in dormancy release of axillary buds of shortleaf pine. It is apparent that cross talking between plant hormones (especially gibberellins, ethylene and auxins), carbohydrates, and other players of signal transduction work cooperatively to promote sprouting of shortleaf pine after top-killing.
590 $a School code: 0664.
650 4 $a Biology, Molecular. $3 1017719
650 4 $a Agriculture, Forestry and Wildlife. $3 783690
650 4 $a Agriculture, Plant Culture. $3 1018669
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710 2 $a Oklahoma State University. $b Plant Science (Ph.D). $3 1676749
773 0 $t Dissertation Abstracts International $g 70-09B.
790 1 0 $a Tauer, Charles G., $e advisor
790 1 0 $a Yan, Liuling $e committee member
790 1 0 $a Wu, Yanqi $e committee member
790 1 0 $a Will, Rodney E. $e committee member
790 $a 0664
791 $a Ph.D.
792 $a 2009
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3372181