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Annals of Botany 2008 102(4):NP; doi:10.1093/aob/mcn176
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© The Author 2008. Published by Oxford University Press on behalf of the Annals of Botany Company. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

John Bryant takes a closer look at some of this month's Original Articles

J. A. Bryant, Professor

University of Exeter, UK
E-mail j.a.bryant@exeter.ac.uk

The first 10% of the full text of this article appears below.

CHS in CMS – the initial effect of orf138?


Figure 1
Cytoplasmic male sterility (CMS) is a very useful tool in plant breeding, eliminating the possibility of selfing when outcrossing is required. For example, in radish (Raphanus sativa), CMS is caused by the mitochondrial (‘cytoplasmic’) gene orf128 but fertility may be restored by the nuclear Rf gene. This system, known as the Ogura cytoplasm, is the only CMS system available in cultivated radish and is thus widely used in its breeding and that of other members of the Brassicaceae. Despite this, relatively little is known about the way in which orf128 affects pollen development or viability and it is this deficiency that has been addressed by Yang et al. at Kyoto (pp. 483–489). Light and electron microscopic investigation of gametogenesis revealed that . . . [Full Text of this Article]

Study of submergence shows that small is beautiful

Salt, sorbitol and superoxide – revelations about roots and ROS

Genome size and growth rates – grass goes against the trend


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