Protein prenylation plays a crucial role in plant development and stress response.We report the function of pren yltra nsferase a-sub unit in rice.Protein-protei n in teractions showed that the fam esyl-transferase(Os...Protein prenylation plays a crucial role in plant development and stress response.We report the function of pren yltra nsferase a-sub unit in rice.Protein-protei n in teractions showed that the fam esyl-transferase(OsPFT)/geranylgeranyltransferase-l(OsPGGT l-a)protein interacted together with OsPFT-P and OsPGGT l-p.The a-and p-subunits of OsPFT formed a heterodimer for the transfer of a farnesyl group from famesyl pyrophosphate to the CaaX-box-containing peptide N-dansyl-GCVLS.Furthermore,the tissue expressi on patter ns of the OsPFT and OsPGGT I sub units were similar,and these sub units were localized in the cytoplasm and nucleus.Moreover,OsPFT/OsPGGT/-a-deletion homozygous rice mutants had a lethal phenotype,and the heterozygous mutants exhibited reduced pollen viability.These results indicated that prenylation plays an important role in rice development.展开更多
基金supported by the Science Technology and Innovation Committee of Shenzhen Municipality of China(Grant Nos.JCYJ20170303154319837 and JCYJ20170412155447658)the Science Technology Innovation and Industrial Development of Dapeng New District,Shenzhen,China(Grant Nos.PT201901-18 and PT201901-20).
文摘Protein prenylation plays a crucial role in plant development and stress response.We report the function of pren yltra nsferase a-sub unit in rice.Protein-protei n in teractions showed that the fam esyl-transferase(OsPFT)/geranylgeranyltransferase-l(OsPGGT l-a)protein interacted together with OsPFT-P and OsPGGT l-p.The a-and p-subunits of OsPFT formed a heterodimer for the transfer of a farnesyl group from famesyl pyrophosphate to the CaaX-box-containing peptide N-dansyl-GCVLS.Furthermore,the tissue expressi on patter ns of the OsPFT and OsPGGT I sub units were similar,and these sub units were localized in the cytoplasm and nucleus.Moreover,OsPFT/OsPGGT/-a-deletion homozygous rice mutants had a lethal phenotype,and the heterozygous mutants exhibited reduced pollen viability.These results indicated that prenylation plays an important role in rice development.