Nutrient-dependent interactions between a marine copiotroph <i>Alteromonas</i> and a diatom <i>Thalassiosira pseudonana</i>.

ABSTRACT:

Importance

As the major producers and consumers, phytoplankton and bacteria play central roles in marine ecosystems and their interactions show great ecological significance. Whether mutualistic or antagonistic, the interaction between certain phytoplankton and bacterial species is usually seen as a derivative of intrinsic physiological properties and rarely changes. This study demonstrated that the interactions between the ubiquitously co-occurring bacteria and diatom, Alteromonas and Thalassiosira pseudonana, varied with nutrient conditions. They overcame hardship together in oligotrophic seawater but showed antagonistic effects against each other under nutrient amendment. The contact-dependent algicidal behavior of Alteromonas based on protease activity solv

SUBMITTER: Cai G 

PROVIDER: S-EPMC10653928 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature