1. Not all legume species can develop a symbiosis with rhizobia to use atmospheric nitrogen. 2. Inoculation with rhizobia tends to increase yield. 3. Within the root nodules, rhizobia fix atmospheric nitrogen into ammonia using the nitrogenase enzyme. 4. There are several types of rhizobia , and some have a high degree of host specificity. 5. During his career Bisseling has done research on the symbiosis between root nodules and rhizobia bacteria. 6. The rhizobia and their hosts must be able to recognize each other for nodule formation to commence. 7. After production of cellulose fibrils, a Homologues of this protein can be found in other rhizobia . 8. A classic example of mutualism is the interaction between rhizobia soil bacteria and legumes ( Fabaceae ). 9. Rhizobia is the group of soil bacteria that infect the roots of legumes to form root nodules .10. The rhizobia , which fix nitrogen and are symbiotic with plant roots, appear in several different families.
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