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Cell-wall Architecture and Lignin Composition of Wheat Developed in a Microgravity Environment by Lanfang H Levine; A.Gerard Heyenga; Howard G Levine; Joon-Weon Choi; Laurence B Davin; Abraham D Krikorian; Norman G Lewis is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Cell-wall Architecture and Lignin Composition of Wheat Developed in a Microgravity Environment about?

The microgravity environment encountered during space-flight has long been considered to affect plant growth and developmental processes, including cell wall biopolymer composition and content. As a prelude to studying how microgravity is perceived -and acted upon -by plants, it was first instructive to investigate what gross effects on plant growth and development occurred in microgravity. Thus, wheat seedlings were exposed to microgravity on board the space shuttle Discovery (STS-51) for a 10 day duration, and these specimens were compared with their counterparts grown on Earth under the same conditions (e.g. controls). First, the primary roots of the wheat that developed under both microgravity and 1 g on Earth were examined to assess the role of gravity on cellulose microfibril (CMF) organization and secondary wall thickening patterns. Using a quick freeze/deep etch technique, this revealed that the cell wall CMFs of the space-grown wheat maintained the same organization as their 1 g-grown counterparts. That is, in all instances, CMFs were randomly interwoven with each other in the outermost layers (farthest removed from the plasma membrane), and parallel to each other within t

Who reads Cell-wall Architecture and Lignin Composition of Wheat Developed in a Microgravity Environment?

Author

Lanfang H Levine; A.Gerard Heyenga; Howard G Levine; Joon-Weon Choi; Laurence B Davin; Abraham D Krikorian; Norman G Lewis

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0031-9422)

Published

2001

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)