Plant functional biology
نویسندگان
چکیده
منابع مشابه
BMC Plant Biology
Background: The EXO (EXORDIUM) gene was identified as a potential mediator of brassinosteroid (BR)-promoted growth. It is part of a gene family with eight members in Arabidopsis. EXO gene expression is under control of BR, and EXO overexpression promotes shoot and root growth. In this study, the consequences of loss of EXO function are described. Results: The exo loss of function mutant showed ...
متن کاملPlant Biology Select
Most organisms have daily rhythms set by environmental conditions such as light. Plants in particular are very sensitive to changes in their environment, responding to such changes with altered growth and development. At a molecular level, changes in the environment are detected and processed through an internal circadian clock. At the core of all circadian clocks is a transcriptional feedback ...
متن کاملPlant Biology Select
Plant biologists have long sought the identity of florigen, the signal that travels from the leaves to the shoot apical meristem to induce flowering. Two recent reports conclude that the elusive florigen is FLOWERING LOCUS (FT) in the model plant Arabiodpsis thaliana (Corbesier et al., 2007) and that its homolog in rice is Hd3a (Tamaki et al., 2007). Although FT is known to promote flowering an...
متن کاملPlant Biology Select
In plants, the shoot and root meristems produce auxin, a hormone that directs growth and cellular elongation in response to light and gravity. The distribution of auxin in plants (and thus its availability to target tissues) is regulated by its directional transport within the plant. Recent findings highlight the importance of the PIN family of proteins in regulating auxin transport. The growth...
متن کاملPlant Biology Select
With a growing body of genomic information and ever-increasing demands on agriculture, the study of plant genetics is perhaps more urgent than ever. This issue’s Plant Biology Select discusses a technique for site-specific modification of crop plant genomes and describes surprising new evidence that plant tissue grafts may serve as a conduit for the spread of genetic information. Recent work al...
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ژورنال
عنوان ژورنال: American Journal of Botany
سال: 2004
ISSN: 0002-9122
DOI: 10.3732/ajb.91.6.1005