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Title [sv]
Förstårelse av de mekanismer som styr xylem bildning och organisation av cellväggar
Title [en]
Understanding the mechanisms controlling xylem vessels cell wall organization and synthesis
Abstract [sv]
Water and minerals are transported in plants through xylem and more specifically through its conducting cell named tracheary elements (TEs). These specialized cells form conducting pipes by thickening on their cell wall, hollowing their content by programmed cell death and perforating their end-walls to allow continuous flow from cell to cell. The TE cell wall thickenings are an essential feature for TE vascular function, they are rich in cellulose and lignin, and form characteristics pattern (spiral, ring and pits). This research proposal aims to identify genes/proteins responsible of the TE cell wall organisation and synthesis using two complementary biological systems ? one simplified (in vitro cell culture) and one integrated (whole plant). The overall research strategy resides in using first the simplified system to rapidly and specifically identify and characterise genes/proteins candidates implicated in TE cell wall organization and synthesis and then to use transgenic whole plants modulated in the demonstrated candidates to evaluate the impact on xylem development. The two main TE developmental features which will be investigated in this project are i) the mechanisms controlling TE cell wall organization and ii) how are TE cell walls lignified. Understanding TE and xylem development is not only of great interest for academic research, but is also of strategic interest for potential applications as xylem forms wood.
Principal InvestigatorPesquet, Edouard
Coordinating organisation
Umeå University
Funder
Period
2011-01-01 － 2013-12-31
Identifiers
DiVA, id: project:1082Project, id: 2010-04620_VR

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