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Megasphaera is a genus of Bacillota bacteria classified within the class Negativicutes. [1] [2] This classification has been reexamined. [3]
They range from spherical forms, such as Megasphaera and Veillonella, to curved rods, as typified by the Selenomonads. [2] Selenomonas has a characteristic crescent-shape, with flagella inserted on the concave side, while Sporomusa is similar but non-motile. Their names refer to this distinctive morphology: selene means moon, and musa means banana.
They range from spherical forms, such as Megasphaera and Veillonella, to curved rods, as typified by the selenomonads. Selenomonas has a characteristic crescent shape, with flagella inserted on the concave side, while Sporomusa is similar, but nonmotile. Their names refer to this distinctive morphology: selene means moon, and musa means banana. [5]
Bacillota (synonym Firmicutes) is a phylum of bacteria, most of which have gram-positive cell wall structure. [2] The renaming of phyla such as Firmicutes in 2021 remains controversial among microbiologists, many of whom continue to use the earlier names of long standing in the literature.
Atomic structure of the 30S ribosomal Subunit from Thermus thermophilus of which 16S makes up a part. Proteins are shown in blue and the single RNA strand in tan. [5]In 1987, Carl Woese, regarded as the forerunner of the molecular phylogeny revolution, divided Eubacteria into 11 divisions based on 16S ribosomal RNA (SSU) sequences, listed below.
NGC 7582 is a spiral galaxy of the Hubble type SB(s)ab in the constellation Grus.It has an angular size of 5.0' × 2.1' and an apparent magnitude of 11.37. It is about 70 million light years away from Earth and has a diameter of about 100,000 light years.
Segue 2 is a dwarf spheroidal galaxy situated in the constellation Aries and discovered in 2009 in the data obtained by Sloan Digital Sky Survey. The galaxy is located at the distance of about 35 kiloparsecs (35,000 parsecs ; 110,000 light-years ) from the Sun and moves towards the Sun at a speed of 40 kilometres per second (25 mi/s).
Messier 14 (also known as M14 or NGC 6402) is a globular cluster of stars in the constellation Ophiuchus.It was discovered by Charles Messier in 1764.. At a distance of about 30,000 light-years, M14 contains several hundred thousand stars.