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Characterization of the molecular ba...

Gumaelius, Luke.

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Characterization of the molecular basis of arsenic tolerance and hyperaccumulation in gametophytes of the fern Pteris vittata.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Characterization of the molecular basis of arsenic tolerance and hyperaccumulation in gametophytes of the fern Pteris vittata./
作者:	Gumaelius, Luke.
面頁冊數:	118 p.
附註:	Advisers: JoAnne Banks; David Salt.
Contained By:	Dissertation Abstracts International68-10B.
標題:	Agriculture, Plant Culture. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3287246
ISBN:	9780549303473

Characterization of the molecular basis of arsenic tolerance and hyperaccumulation in gametophytes of the fern Pteris vittata.
Gumaelius, Luke.

Characterization of the molecular basis of arsenic tolerance and hyperaccumulation in gametophytes of the fern Pteris vittata. - 118 p.

Advisers: JoAnne Banks; David Salt.

Thesis (Ph.D.)--Purdue University, 2007.

Elemental arsenic (As) is a ubiquitous and naturally occurring contaminant of soils and ground water in many regions of the world, including the United States. In most organisms, continuous exposure to arsenic may lead to chronic pathologies or death. Sporophytes and gametophytes of the fern Pteris vittata L. both tolerate and accumulate extraordinarily high levels of As. To date no other organism has been shown to accumulate arsenic to the levels observed in P. vittata. I have developed P. vittata gametophytes as a model system for identifying potential mechanisms that facilitate arsenic tolerance and accumulation in this unique plant. Here I will describe characterization of biochemical mechanisms utilized in the Pteris gametophyte for arsenic tolerance and hyperaccumulation. Furthermore the cloning and initial characterization of a unique arsenic reductase from this plant will be described.

ISBN: 9780549303473Subjects--Topical Terms:

1018669
Agriculture, Plant Culture.

Characterization of the molecular basis of arsenic tolerance and hyperaccumulation in gametophytes of the fern Pteris vittata.
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520 $a Elemental arsenic (As) is a ubiquitous and naturally occurring contaminant of soils and ground water in many regions of the world, including the United States. In most organisms, continuous exposure to arsenic may lead to chronic pathologies or death. Sporophytes and gametophytes of the fern Pteris vittata L. both tolerate and accumulate extraordinarily high levels of As. To date no other organism has been shown to accumulate arsenic to the levels observed in P. vittata. I have developed P. vittata gametophytes as a model system for identifying potential mechanisms that facilitate arsenic tolerance and accumulation in this unique plant. Here I will describe characterization of biochemical mechanisms utilized in the Pteris gametophyte for arsenic tolerance and hyperaccumulation. Furthermore the cloning and initial characterization of a unique arsenic reductase from this plant will be described.
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