File:Morphological variation within cyanobacterial genera.jpg
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Summary
| Description |
English: Natural morphological variation within cyanobacterial genera. Unicellular strains: (a) Synechocystis sp. PCC6803 and (b) Synechococcus elongatus PCC4972. Non-heterocytous strains: (c) Arthrospira maxima, (d) Trichodesmium sp. and (e) Phormidium sp. CCM-UFV034. False branching or non-branching heterocytous strains: (f) Nostoc sp. CCM-UFV028 and (g) Brasilonema octagenarum CCM-UFVE1. True-branching heterocytous strain: (h) Stigonema sp. CCM-UFV036. Synechocystis sp. (a) and Arthrospira maxima (c) are unable to perform N2 fixation, whereas the strains shown in b and e present a temporal separation of metabolism: photosynthetic CO2 fixation is performed in the light while N2 fixation occurs during darkness. Trichodesmium sp. (d) is the unique non-heterocytous cyanobacterium that shown N2 fixation under light conditions. Conversely, in other strains (f, g, and h), there is a spatial separation of metabolism, with N2 fixation occurring in heterocytes (ht). Abbreviations: (ak) akinetes; (fb) false branching; (tb) true branching. |
| Date | |
| Source | [1] doi:10.1590/1678-4685-GMB-2016-0050 |
| Author |
Alberto A. Esteves-Ferreira, João Henrique Frota Cavalcanti, Marcelo Gomes Marçal Vieira Vaz, Luna V. Alvarenga, Adriano Nunes-Nesi and Wagner L. Araújo. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 05:59, 29 July 2021 | | 3,632 × 2,743 (806 KB) | Epipelagic | Uploaded a work by Alberto A. Esteves-Ferreira, João Henrique Frota Cavalcanti, Marcelo Gomes Marçal Vieira Vaz, Luna V. Alvarenga, Adriano Nunes-Nesi and Wagner L. Araújo from [https://www.scielo.br/j/gmb/a/pk6HRKcWpmHXBxXp5FGrsdM/?lang=en] {{doi|10.1590/1678-4685-GMB-2016-0050}} with UploadWizard |
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