A genus of facultatively anaerobic, gram-positive bacteria in the family ACTINOMYCETACEAE, order ACTINOMYCETALES. They are obligate parasites of the PHARYNX in humans and farm animals.

A family of bacteria including numerous parasitic and pathogenic forms.

Infections with bacteria of the order ACTINOMYCETALES.

A large group of rod-shaped bacteria that retains the crystal violet stain when treated by Gram's method.

A genus of gram-positive, rod-shaped bacteria whose organisms are nonmotile. Filaments that may be present in certain species are either straight or wavy and may have swollen or clubbed heads.

Mammals of the family Phocoenidae comprising four genera found in the North Pacific Ocean and both sides of the North Atlantic Ocean and in various other seas. They differ from DOLPHINS in that porpoises have a blunt snout and a rather stocky body while dolphins have a beak-like snout and a slender, streamlined body. They usually travel in small groups. (From Walker's Mammals of the World, 5th ed, pp1003-4)

A genus of the family Bovidae having two species: B. bison and B. bonasus. This concept is differentiated from BUFFALOES, which refers to Bubalus arnee and Syncerus caffer.

A common gynecologic disorder characterized by an abnormal, nonbloody discharge from the genital tract.

A mammalian fetus expelled by INDUCED ABORTION or SPONTANEOUS ABORTION.

A gram-positive, non-spore-forming group of bacteria comprising organisms that have morphological and physiological characteristics in common.

A genus of asporogenous bacteria that is widely distributed in nature. Its organisms appear as straight to slightly curved rods and are known to be human and animal parasites and pathogens.

Constituent of 30S subunit prokaryotic ribosomes containing 1600 nucleotides and 21 proteins. 16S rRNA is involved in initiation of polypeptide synthesis.

Procedures for identifying types and strains of bacteria. The most frequently employed typing systems are BACTERIOPHAGE TYPING and SEROTYPING as well as bacteriocin typing and biotyping.

Infections caused by bacteria that retain the crystal violet stain (positive) when treated by the gram-staining method.