Bacteroides is a genus of Gram-negative, obligate anaerobic bacteria. Bacteroides species are non endospore –forming bacilli, and may be either motile or nonmotile, depending on the species. [3]

Bacteroides species are anaerobic, bile-resistant, non-spore-forming, gram-negative rods. The taxonomy of Bacteroides has undergone major revisions in the last few decades (see “Taxonomy” …

Dec 11, 2022 · See the separate B. fragilis module for information on that species as the most commonly pathogenic of the Bacteriodes species. Bacteroides are typical components of intestinal, …

Jul 24, 2025 · Bacteroides represents a significant group of microorganisms residing within the human gut. These bacteria are among the most abundant inhabitants of the intestinal tract, forming a …

Feb 1, 2024 · Here we review the critical role that Bacteroides play in the human gut, their potential pathogenic role outside of the gut, and their various methods of adapting to the environment, with a …

Dec 15, 2025 · Bacteroides is a genus of opportunistic, anaerobic, gram-negative bacilli. Bacteroides fragilis is the most common species involved in human disease and is part of the normal flora of the …

Aug 17, 2023 · Bacteroides is a genus of bacteria that belong to the Bacteroidaceae family. These bacteria are anaerobic, which means they thrive in environments with little to no oxygen.

3 days ago · Gut virus in colorectal cancer patients: A recent study reveals a previously unknown virus inside Bacteroides fragilis, showing a significant association with colorectal cancer. Researchers …

Oct 19, 2022 · Several genera comprise Bacteroidetes, for example, the microbiota of the Bacteroides genus, which are gram-negative, non-spore forming, obligately anaerobic, rod-shaped bacteria.

Jul 31, 2024 · This article describes infections caused by the Bacteroides fragilis group and other anaerobic gram-negative bacilli (AGNB) that were previously included in the Bacteroides genus but …