Publications by authors named "G Y Jauh"
Article Synopsis
- - Pollen germination is essential for flowering plants, transitioning inactive pollen grains into active growth, with significant changes in organelle structure and function, particularly the role of autophagy in these processes.
- - The study highlights transformations in amyloplasts and lipid body movement during germination, showing how lipid redistribution is vital for pollen tube growth, and how inhibiting autophagy disrupts this process.
- - Key observations include the interaction between tubular endoplasmic reticulum structures and autophagic processes, leading to the differentiation of organelles and protein localization, shedding light on the complex dynamics involved in pollen germination.
Distinct phylogeny and substrate specificities suggest that 12 Arabidopsis Ovarian Tumor domain-containing (OTU) deubiquitinases participate in conserved or plant-specific functions. The null mutant displayed a pleiotropic phenotype, including early flowering, mimicking that of mutants harboring defects in subunits (e.g.
View Article and Find Full Text PDFAlthough the nucleolus is involved in ribosome biogenesis, the functions of numerous nucleolus-localized proteins remain unclear. In this study, we genetically isolated Arabidopsis thaliana salt hypersensitive mutant 1 (sahy1), which exhibits slow growth, short roots, pointed leaves, and sterility. SAHY1 encodes an uncharacterized protein that is predominantly expressed in root tips, early developing seeds, and mature pollen grains and is mainly restricted to the nucleolus.
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- - Mitochondrial intron splicing, specific to plants, involves the elimination of introns by nucleus-encoded proteins, with WTF9 being a key player in the splicing of group II introns rpl2 and ccmFC, linking its disruption to developmental issues in Arabidopsis.
- - HSP60s, which are known as molecular chaperones that help fold proteins, also interact with WTF9 and play a critical role in RNA metabolism and protection, evidenced by their binding to the ccmFC intron.
- - Research demonstrated that mutants lacking HSP60s showed reduced splicing efficiency of the rpl2 and ccmFC introns, similar to wtf9 mutants, indicating
Successful pollen tube elongation is critical for double fertilization, but the biological functions of pollen tube genes and the regulatory machinery underlying this crucial process are largely unknown. A previous translatomic study revealed two Arabidopsis () () genes, and , whose expression is up-regulated by pollination. Here, we found that both SAUR62 and SAUR75 localized mainly to pollen tube nuclei.
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