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Seed longevity is an important trait for agriculture and the conservation of genetic resources. β‐1,3‐Glucanases were first recognized as pathogenesis‐related proteins involved in plant defense, but their roles in seeds are largely unknown. Here, we report a glycosylphosphatidylinositol‐anchored β‐1,3‐glucanase, BG14, that degrades callose in seed embryos and functions in seed longevity and dormancy...
Growth at increased concentrations of CO2 induces a reduction in seed zinc (Zn) and iron (Fe). Using Arabidopsis thaliana, we investigated whether this could be mitigated by reducing the elevated CO2‐induced decrease in transpiration.
We used an infrared imaging‐based screen to isolate mutants in At1g08080 that encodes ALPHA CARBONIC ANHYDRASE 7 (ACA7). aca7 mutant alleles display wild‐type (WT)...