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While traditionally hypoxia has been studied as a detrimental component of flooding stress, the last decade has flourished with studies reporting the involvement of molecular oxygen availability in plant developmental processes. Moreover, proliferating and undifferentiated cells from different plant tissues were found to reside in endogenously generated hypoxic niches. Thus, stress‐associated acute...
VERNALIZATION2 (VRN2), an angiosperm‐specific subunit of the polycomb repressive complex 2 (PRC2), is an oxygen (O2)‐regulated target of the PCO branch of the PRT6 N‐degron pathway of ubiquitin‐mediated proteolysis. How this post‐translational regulation coordinates VRN2 activity remains to be fully established.
Here we use Arabidopsis thaliana ecotypes, mutants and transgenic lines to determine...
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