-
-
Vieira, Armando Augusto Henriques; Giroldo, Danilo; Ortolano, Pedro Ivo Coelho
(2006)
Aggregate formation in axenic and microbial co-inoculated batch cultures of Aulacoseira
granulata (Bacillariophyceae). Aggregate formation involving diatoms is a well-known process, especially in the marine environment. ...
-
-
Giroldo, Danilo; Vieira, Armando Augusto Henriques
(2002)
A tropical strain of Cryptomonas obovata Skuja, isolated from a shallow oxbow lake, released a sulfated fucoserich polysaccharide. The polysaccharide is composed mainly of fucose (42%), N-acetyl-galactosamine (26%) and ...
-
-
Giroldo, Danilo; Ortolano, Pedro Ivo Coelho; Vieira, Armando Augusto Henriques
(2007)
The dissolved organic matter, especially carbohydrates, released by phytoplanktonic organisms may be ecologically important, through its influence on carbon cycling and microbial diversity. Here axenic cultures of three ...
-
-
Piedras, Fernanda Reinhardt; Baisch, Paulo Roberto Martins; Machado, Maria Isabel Corrêa da Silva; Vieira, Armando Augusto Henriques; Giroldo, Danilo
(2010)
This paper describes the influence of nitrate availability on growth and release of dissolved free and combined carbohydrates (DFCHOs and DCCHOs) produced by Spondylosium pygmaeum (Cooke) W. West (Zygnematophyceae). This ...
-
-
Giroldo, Danilo; Vieira, Armando Augusto Henriques; Paulsen, Berit Smestad
(2005)
The extracellular polysaccharides (EPS) released by a freshwater cryptophyte, Cryptomonas tetrapyrenoidosa were
characterized and their degradation by heterotrophic microbial populations from the same habitat, a tropical ...
-
-
Giroldo, Danilo; Vieira, Armando Augusto Henriques
(2005)
Several studies have focused on the release of carbohydrates by phytoplankton because of the ecological significance of such compounds. This process increases the supply of carbon to the heterotrophic community, enhancing ...
-
-
Giroldo, Danilo; Vieira, Armando Augusto Henriques; Paulsen, Berit Smestad
(2003)
The aim of this study was to characterize the
extracellular polysaccharides (EPS) released by a freshwater Thalassiosira sp. (Bacillariophyceae) and evaluate their degradation by heterotrophic microbial
populations from ...
-
-
Vieira, Armando Augusto Henriques; Ortolano, Pedro Ivo Coelho; Giroldo, Danilo; Oliveira, Maria José Dellamano; Bittar, Thais Beraldo; Lombardi, Ana Teresa; Sartori, Antonio Luiz
(2008)
The highest density of aggregates (1.4 3 103 L21) in the hypereutrophic Barra Bonita Reservoir (mean depth of 10.2 m) coincided with the peak population density of the diatom Aulacoseira granulata (2.3 3 106 chains L21), ...
