Editing Root nodule (section)

==Nodule-like structures==
Some [[fungi]] produce nodular structures known as tuberculate [[ectomycorrhiza]]e on the roots of their plant hosts. ''[[Suillus tomentosus]]'', for example, produces these structures with its plant host [[lodgepole pine]] (''Pinus contorta'' var. ''latifolia''). These structures have, in turn, been shown to host [[nitrogen fixation|nitrogen fixing]] [[bacteria]], which contribute a significant amount of [[nitrogen]] and allow the pines to colonize nutrient-poor sites.<ref name=paul07> {{cite journal |journal=Annals of Botany |volume=99 |pages=1101–1109 |date=2007 |doi=10.1093/aob/mcm061 |title=Nitrogen Fixation Associated with ''Suillus tomentosus'' Tuberculate Ectomycorrhizae on ''Pinus contorta'' var. ''latifolia'' |first1=L.R. |last1=Paul |first2=B.K. |last2=Chapman |first3=C.P. |last3=Chanway |pmid=17468111 |issue=6 |pmc=3243579}}</ref>

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