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Rhizobium infection: lessons from the versatile nodulation behaviour of water-tolerant legumes

Sofie Goormachtig (UGent) , Ward Capoen (UGent) and Marcella Holsters (UGent)
(2004) TRENDS IN PLANT SCIENCE. 9(11). p.518-522
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Abstract
Water-tolerant legumes provide bacteria with special ways of invading roots to establish N-2-fixing symbiosis upon flooding. On well-aerated roots, root hair curling (RHC) invasion is used, whereas, under hydroponic conditions, rhizobia enter the cortex through cracks at lateral root bases (LRBs). Here, we compare the physiological and anatomical traits of these invasions. During waterlogging, accumulating ethylene inhibits the epidermal stages of RHC invasion. LRB invasion circumvents this step by direct colonization of the cortical tissue. By avoiding the epidermis for bacterial entry under hydroponic conditions, the stringent nodulation (Nod) factor perception systems that are active within the epidermis are not needed. Consequently, LRB invasion might be useful for analysing the requirement for Nod factor perception and other signal transduction systems downstream of the epidermis.
Keywords
ENTRY, BACTERIAL, PERCEPTION, ETHYLENE, SESBANIA-ROSTRATA, AZORHIZOBIUM-CAULINODANS, ROOT-NODULES, HAIR TIP GROWTH, SYMBIOTIC NODULE DEVELOPMENT, DOMAIN RECEPTOR KINASES

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Citation

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Chicago
Goormachtig, Sofie, Ward Capoen, and Marcella Holsters. 2004. “Rhizobium Infection: Lessons from the Versatile Nodulation Behaviour of Water-tolerant Legumes.” Trends in Plant Science 9 (11): 518–522.
APA
Goormachtig, S., Capoen, W., & Holsters, M. (2004). Rhizobium infection: lessons from the versatile nodulation behaviour of water-tolerant legumes. TRENDS IN PLANT SCIENCE, 9(11), 518–522.
Vancouver
1.
Goormachtig S, Capoen W, Holsters M. Rhizobium infection: lessons from the versatile nodulation behaviour of water-tolerant legumes. TRENDS IN PLANT SCIENCE. 2004;9(11):518–22.
MLA
Goormachtig, Sofie, Ward Capoen, and Marcella Holsters. “Rhizobium Infection: Lessons from the Versatile Nodulation Behaviour of Water-tolerant Legumes.” TRENDS IN PLANT SCIENCE 9.11 (2004): 518–522. Print.
@article{298722,
  abstract     = {Water-tolerant legumes provide bacteria with special ways of invading roots to establish N-2-fixing symbiosis upon flooding. On well-aerated roots, root hair curling (RHC) invasion is used, whereas, under hydroponic conditions, rhizobia enter the cortex through cracks at lateral root bases (LRBs). Here, we compare the physiological and anatomical traits of these invasions. During waterlogging, accumulating ethylene inhibits the epidermal stages of RHC invasion. LRB invasion circumvents this step by direct colonization of the cortical tissue. By avoiding the epidermis for bacterial entry under hydroponic conditions, the stringent nodulation (Nod) factor perception systems that are active within the epidermis are not needed. Consequently, LRB invasion might be useful for analysing the requirement for Nod factor perception and other signal transduction systems downstream of the epidermis.},
  author       = {Goormachtig, Sofie and Capoen, Ward and Holsters, Marcella},
  issn         = {1360-1385},
  journal      = {TRENDS IN PLANT SCIENCE},
  keyword      = {ENTRY,BACTERIAL,PERCEPTION,ETHYLENE,SESBANIA-ROSTRATA,AZORHIZOBIUM-CAULINODANS,ROOT-NODULES,HAIR TIP GROWTH,SYMBIOTIC NODULE DEVELOPMENT,DOMAIN RECEPTOR KINASES},
  language     = {eng},
  number       = {11},
  pages        = {518--522},
  title        = {Rhizobium infection: lessons from the versatile nodulation behaviour of water-tolerant legumes},
  url          = {http://dx.doi.org/10.1016/j.tplants.2004.09.005},
  volume       = {9},
  year         = {2004},
}

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