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| Nair, S; Bharathi, Pal; Chandramohan, D. |
| Cuturable heterotrophic bacterial counts (viable counts: VC) by surface plating on ZoBell medium and total bacterial counts (TC) by epifluorescence microscopy were carried out in sea water off the southwest coast of India during the monsoon. TC were three orders of magnitude higher than VC. Pseudomonas/Alteromonas group I was dominant in both nearshore and offshore regions. Pigmented bacteria were more abundant in offshore stations and showed multiple antibiotic resistance. Statistically there was found to be no significant differences in bacterial number and their activities between offshore and nearshore isolates. Nevertheless, the former tend to be more versatile and resistant to metals and drugs. |
| Tipo: Text |
Palavras-chave: HETEROTROPHIC CULTURABLE BACTERIA; PHYSIOLOGICAL PROPERTIES; EUPHOTIC ZONE; INDIAN OCEAN. |
| Ano: 1994 |
URL: http://archimer.ifremer.fr/doc/00099/21015/18641.pdf |
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| Bharathi, Pal; Oak, S; Chandramohan, D. |
| Sulfate-reducing bacteria (SRB) have been enumerated and physiologically characterized in three mangrove stations along the Zuari estuary. The substrates for counting were lactate, acetate, propionate, butyrate and benzoate. Benzoate oxidizing SRB were widespread and occurred in numbers up to 6.62 x 10(3)/g dry sediment. The next highest in number were lactate utilizing SRB. On an average there were more propionate and butyrate utilizers than acetate utilizers. While Agasaim at the mouth of the estuary harboured highest number of lactate oxidizers, none were detected at Mirabaug upstream during the samplings. The SRB shared many characteristics with Desulfovibrio desulfuricans, D. desulfuricans aestuarii, D. salexigens, Desulfotomaculum orientis, D.... |
| Tipo: Text |
Palavras-chave: Bactéries; Sulfato-réductrices; Estuaire; Sédiments; Mangrove; Mangrove-Bacteria; Sulfate-reducers; Estuary; Sediments. |
| Ano: 1991 |
URL: http://archimer.ifremer.fr/doc/00323/43395/43103.pdf |
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