Results 1 to 10 of about 254 (77)

Dark fermentative hydrogen production and transcriptional analysis of genes involved in the unicellular halotolerant cyanobacterium Aphanothece halophytica under nitrogen and potassium deprivation [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology, 2023
The unicellular halotolerant cyanobacterium Aphanothece halophytica is known as a potential hydrogen (H2) producer. This study aimed to investigate the enhancement of H2 production under nutrient deprivation.
Aran Incharoensakdi, Saranya Phunpruch
exaly   +4 more sources

Simazine Enhances Dark Fermentative H2 Production by Unicellular Halotolerant Cyanobacterium Aphanothece halophytica [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
The halotolerant cyanobacterium Aphanothece halophytica is a potential H2 producer that induces H2 evolution under nitrogen deprivation. H2 is mainly produced via the catabolism of stored glycogen under dark anaerobic condition. H2 evolution is catalyzed
Sunisa Pansook   +3 more
doaj   +2 more sources

Effects of the Photosystem II Inhibitors CCCP and DCMU on Hydrogen Production by the Unicellular Halotolerant Cyanobacterium Aphanothece halophytica [PDF]

open access: yesThe Scientific World Journal, 2019
The unicellular halotolerant cyanobacterium Aphanothece halophytica is a potential dark fermentative producer of molecular hydrogen (H2) that produces very little H2 under illumination. One factor limiting the H2 photoproduction of this cyanobacterium is
Sunisa Pansook   +2 more
doaj   +2 more sources

Heterologous Production of Glycine Betaine Using Synechocystis sp. PCC 6803-Based Chassis Lacking Native Compatible Solutes [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology, 2022
Among compatible solutes, glycine betaine has various applications in the fields of nutrition, pharmaceuticals, and cosmetics. Currently, this compound can be extracted from sugar beet plants or obtained by chemical synthesis, resulting in low yields or ...
Eunice A. Ferreira   +15 more
doaj   +2 more sources

Crosstalk between biological and chemical diversity with cytotoxic and cytostatic effects of Aphanothece halophytica in vitro

open access: yesAnais Da Academia Brasileira De Ciencias, 2022
Different solvent extracts from Aphanothece halophytica (A. halophytica) were evaluated for their cytotoxic effects against four human cancer cell lines. The samples demonstrated different percentages of cyanobacteria species populations.
Ricardo Coutinho   +2 more
exaly   +3 more sources

Microcystin congeners contribute to toxicity in the halophilic cyanobacterium Aphanothece halophytica [PDF]

open access: yesArchives of Biological Sciences, 2014
Aphanothece halophytica is an extremely saline cyanobacterium. This study investigates the toxic nature of the organism and presents the first report of hepatotoxic cyclic heptapeptide microcystin analogs.
Vishwakarma Rashi, Rai Ashwani K.
doaj   +1 more source

Cultivo axênico das cianobactérias marinhas Aphanothece halophytica Frémy, 1933 e Chroococcus minutus (Kützing) Nägeli, 1849 Axenic culture of the sea cyanobacterias Aphanothece halophytica Frémy, 1933 and Chroococcus minutus (Kützing) Nägeli, 1849

open access: yesActa Botânica Brasílica, 2011
O presente estudo demonstra o método utilizado para a obtenção do cultivo axênico das cianobactérias Aphanothece halophytica e Chroococcus minutus, obtidas das salinas do município de Arraial do Cabo - RJ. Nas salinas, esses organismos estão estruturados
Rodrigo de Siqueira Melo   +2 more
doaj   +1 more source

Extraction and Quantification of Alkanes in Cyanobacteria

open access: yesBio-Protocol, 2015
Many species of cyanobacteria accumulate alkanes in their cells. It has been reported that these cyanobacteria accumulate mainly 15 long carbon chain alkane, pentadecane (C15H32), or/and 17 long chain alkane, heptadecane (C17H36).
Hakuto Kageyama   +5 more
doaj   +1 more source

Efficient Bioproduction of Mycosporine-2-glycine, Which Functions as Potential Osmoprotectant, using Cells

open access: yesNatural Product Communications, 2017
Mycosporine-2-glycine (M2G) is known to be synthesized in halotolerant cyanobacterium Aphanothece halophytica. Escherichia coli cells in which the M2G synthetic genes of A. halophytica were introduced could synthesize M2G.
Tanutcha Patipong   +3 more
doaj   +1 more source

Molecular mechanisms of exopolysaccharide from Aphanothece halaphytica (EPSAH) induced apoptosis in HeLa cells.

open access: yesPLoS ONE, 2014
The present study aims to investigate the pharmacological effect of the exopolysaccharides from Aphanothece halophytica GR02 (EPSAH) on the HeLa human cervical cancer cell line.
Yu Ou, Shuya Xu, Dandan Zhu, Xuegan Yang
doaj   +1 more source

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