Nitrogen is an essential macroelement for plant growth and development.Although nitrogen makes up 78%of the air by volume,it cannot be directly used by plants.Most legumes can convert nitrogen in the air into ammonia ...Nitrogen is an essential macroelement for plant growth and development.Although nitrogen makes up 78%of the air by volume,it cannot be directly used by plants.Most legumes can convert nitrogen in the air into ammonia that can be absorbed and utilized by plants through symbiosis with nitrogen-fixing microorganisms that occurs within rhizosphere called nodules.This symbiosis depends on signal recognition and communication between host(legume)and symbiont(rhizobial).The roots of legumes can release flavonoids into the rhizosphere,which induce rhizobia to synthesize and secrete Nod factors.Lysine-motif(LysM)-containing receptor-like kinases(LYKs)or LysM-containing proteins(LYPs)/LysM domain proteins(LYMs),which are located on the surface of roots cells,have been reported to play a key role in the recognition and establishment of symbiotic signals[1].However,how the receptor complexes are formed and functioning on the cell surface to coordinate bacterial infection and nodule organogenesis remained a challenging question to answer.展开更多
基金This work was supported by the National Natural Science Foundation of China(32088102)the Chinese Academy of Sciences Project for Young Scientists in Basic Research(YSBR-011).
文摘Nitrogen is an essential macroelement for plant growth and development.Although nitrogen makes up 78%of the air by volume,it cannot be directly used by plants.Most legumes can convert nitrogen in the air into ammonia that can be absorbed and utilized by plants through symbiosis with nitrogen-fixing microorganisms that occurs within rhizosphere called nodules.This symbiosis depends on signal recognition and communication between host(legume)and symbiont(rhizobial).The roots of legumes can release flavonoids into the rhizosphere,which induce rhizobia to synthesize and secrete Nod factors.Lysine-motif(LysM)-containing receptor-like kinases(LYKs)or LysM-containing proteins(LYPs)/LysM domain proteins(LYMs),which are located on the surface of roots cells,have been reported to play a key role in the recognition and establishment of symbiotic signals[1].However,how the receptor complexes are formed and functioning on the cell surface to coordinate bacterial infection and nodule organogenesis remained a challenging question to answer.
基金supported by the National Natural Science Foundation of China(32088102,31730103,31825003,32050081,and 31870218)the CAS Project for Young Scientists in Basic Research(YSBR-011)+2 种基金the Strategic Priority Research Program “Molecular Mechanism of Plant Growth and Development”of the Chinese Academy of Sciences(XDB27040207)the National Key R&D Program of China(2019YFA0904703 and 2016YFA0500502)the Young Elite Scientists Sponsorship Program by CAST(20202022QNRC001/2/3)。
