Increased growth of the microalga Chlorella vulgaris when coimmobilized and cocultured in alginate beads with the plant-growth-promoting bacterium Azospirillum brasilense

Article Abstract:

Plant-growth-promoting bacteria can be used to stimulate the growth of microalgae, as demonstrated by the coimmobilization of Chlorella vulgaris and Azospirillum brasilense in alginate beads. Microalgae have many commercial uses as water bioremediation agents, food for humans and animals, and pigment production.

Symbiosis, Growth, Host-bacteria relationships, Chlorella

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A phase variant of Azospirillum lipoferum lacks a polar flagellum and constitutively expresses mechnaosensing lateral flagella

Article Abstract:

Research was conducted to examine the role of flagella in the mobility of Azospirillum lipoferum variant bacteria lacking polar flagella. The data indicate that the variants can use their lateral flagella for swimming and swarming to accomplish plant root colonization.

France, Methods, Observations, Bacteria, Chemotaxis, Electron microscopy, Nitrogen-fixing microorganisms, Bacterial motility

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