Search Results - "Campbell, E.L"

Cellular differentiation in the cyanobacterium Nostoc punctiforme by Meeks, J.C, Campbell, E.L, Summers, M.L, Wong, F.C

“…Nostoc punctiforme is a phenotypically complex, filamentous, nitrogen-fixing cyanobacterium, whose vegetative cells can mature in four developmental…”
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Mutation of an alternative sigma factor in the cyanobacterium Nostoc punctiforme results in increased infection of its symbiotic plant partner, Anthoceros punctatus by Campbell, E.L. (University of California, Davis.), Brahamsha, B, Meeks, J.C

“…An alternative group 2 sigma factor was identified in the nitrogen-fixing, symbiotically competent cyanobacterium Nostoc punctiforme and designated sigH…”
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Characteristics of hormogonia formation by symbiotic Nostoc spp. in response to the presence of Anthoceros punctatus or its extracellular products by Campbell, E.L, Meeks, J.C

“…Nostocacean cyanobacteria typically produce gliding filaments termed hormogonia at a low frequency as part of their life cycle. We report here that all Nostoc…”
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Elements interrupting nitrogen fixation genes in cyanobacteria: presence and absence of a nifD element in clones of Nostoc sp. strain Mac by Meeks, J.C, Campbell, E.L, Bisen, P.S

“…Nostoc sp. strain Mac is capable of microaerobic, but not aerobic, nitrogen fixation (Fox-). Nostoc Mac grows as long, relatively straight, filaments that are…”
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