Civil Rights
Movements, leaders, victories and the continuing fight for equality.
Explore the people, places, events, achievements, struggles and stories that shaped our journey.
Movements, leaders, victories and the continuing fight for equality.
Innovation, patents, science, technology and world-changing contributions.
Pioneers, champions, Negro Leagues, records, activism and excellence.
Meet the people whose lives, choices and achievements shaped the journey.
Black towns, communities, institutions and places where history happened.
Moments that changed communities, movements, institutions and the nation.
Mansa Musa was the ruler of the Mali Empire in West Africa. Details recorded here should be sourced; unknown information is left blank.
MORE →Reflects the personal views, recollections, and perspective of the author, Mike Davis.
This is a personal recollection on the Move fire on May 13, 1985
| Streptococcus lactarius | |
|---|---|
| Scientific classification | |
| Domain: | Bacteria |
| Kingdom: | Bacillati |
| Phylum: | Bacillota |
| Class: | Bacilli |
| Order: | Lactobacillales |
| Family: | Streptococcaceae |
| Genus: | Streptococcus |
| Species: | S. lactarius
|
| Binomial name | |
| Streptococcus lactarius Martín et al. 2011
| |
Streptococcus lactarius is a species of catalase-negative, Gram-positive, coccus-shaped bacteria from the genus Streptococcus. First reported in 2010, it was found growing in the breast milk of three non-related healthy women. Based on 16S rRNA gene sequences, it is most similar to S. peroris.[1]
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Streptococcus lactarius is a species of catalase-negative, Gram-positive, coccus-shaped bacteria from the genus Streptococcus. First reported in 2010, it was found growing in the breast milk of three non-related healthy women. Based on 16S rRNA gene sequences, it is most similar to S. peroris.
Streptococcus (from Ancient Greek στρεπτός (streptós) 'twisted' and κόκκος (kókkos) 'grain') is a genus of gram-positive spherical bacteria that belongs to the family Streptococcaceae, within the order Lactobacillales (lactic acid bacteria), in the phylum Bacillota. Cell division in streptococci occurs along a single axis, thus when growing they tend to form pairs or chains, which may appear bent or twisted. This differs from staphylococci, which divide along multiple axes, thereby generating irregular, grape-like clusters of cells. Most streptococci are oxidase-negative and catalase-negative, and many are facultative anaerobes (capable of growth both aerobically and anaerobically). The term was coined in 1877 by Viennese surgeon Albert Theodor Billroth (1829–1894), from Ancient Greek στρεπτός (streptós), meaning "twisted", and κόκκος (kókkos), meaning "grain". In 1984, many bacteria formerly grouped in the genus Streptococcus were separated out into the genera Enterococcus and Lactococcus. Currently, over 50 species are recognised in this genus. Streptococcus species play a large role in human health and disease. Most exist commensally as parts of the human microbiome, for example in the mouth, skin, intestine, and upper respiratory tract. Some exist as pathogens and cause infections collectively known as streptococcosis, such as streptococcal pharyngitis (strep throat), pink eye, meningitis, bacterial pneumonia, endocarditis, erysipelas, and necrotizing fasciitis (the 'flesh-eating' bacterial infections). A few are opportunistic, being able to switch between friend and foe. Streptococcus are also used in the production of food, with S. thermophilus being used to make Emmentaler ("Swiss") cheese and yogurt.
Acidipropionibacterium timonense (A. timonense) is a bacterium from the genus of Acidipropionibacterium.
Before the 1921 destruction of Tulsa’s Greenwood District, Black residents had created a remarkable center of business and community life. The district included stores, professional offices, entertainment venues and homes owned by Black citizens. Understanding Greenwood means learning what was built—not only what was burned.
MORE →Brown v. Board of Education in 1954.