''Adineta'' is a genus of

rotifers The rotifers (, from Latin 'wheel' and 'bearing'), sometimes called wheel animals or wheel animalcules, make up a phylum (Rotifera ) of microscopic and near-microscopic pseudocoelomate animals. They were first described by Rev. John Harris ...

belonging to the family Adinetidae. The species of this genus are found in Europe, Northern America, Australia and southernmost Southern Hemisphere.

''Adineta vaga'' meiosis

Until recently, it was considered that the reproductive mode of

bdelloid rotifers Bdelloidea (from Greek βδέλλα, ''bdella'' 'leech') is a class of rotifers found in freshwater habitats all over the world. There are over 450 described species of bdelloid rotifers (or 'bdelloids'), distinguished from each other mainly o ...

is mitotic

parthenogenesis Parthenogenesis (; from the Greek + ) is a natural form of asexual reproduction in which the embryo develops directly from an egg without need for fertilization. In animals, parthenogenesis means the development of an embryo from an unfertiliz ...

. However, recent research with ''Adineta vaga'' now supports a

meiotic Meiosis () is a special type of cell division of germ cells in sexually-reproducing organisms that produces the gametes, the sperm or egg cells. It involves two rounds of division that ultimately result in four cells, each with only one copy ...

derived

oogenesis Oogenesis () or ovogenesis is the differentiation of the ovum (egg cell) into a cell competent to further develop when fertilized. It is developed from the primary oocyte by maturation. Oogenesis is initiated before birth during embryonic devel ...

with an altered

meiosis Meiosis () is a special type of cell division of germ cells in sexually-reproducing organisms that produces the gametes, the sperm or egg cells. It involves two rounds of division that ultimately result in four cells, each with only one c ...

I stage. During this stage

homologous chromosome Homologous chromosomes or homologs are a set of one maternal and one paternal chromosome that pair up with each other inside a cell during meiosis. Homologs have the same genes in the same locus (genetics), loci, where they provide points along e ...

s associate, likely undergo recombinational repair of DNA damage and then separate, but do not segregate into haploid nuclei.

Species

Species: *'' Adineta acuticornis'' *'' Adineta barbata'' *'' Adineta bartosi'' *'' Adineta beysunae'' *'' Adineta coatsi'' *'' Adineta cuneata'' *'' Adineta editae'' *'' Adineta elongata'' *'' Adineta emsliei'' *'' Adineta fontanetoi'' *'' Adineta glauca'' *'' Adineta gracilis'' *'' Adineta grandis'' *'' Adineta longicornis'' *'' Adineta oculata'' *'' Adineta ricciae'' *'' Adineta steineri'' *'' Adineta tuberculosa'' *'' Adineta vaga'' **'' Adineta vaga major'' **'' Adineta vaga minor'' **'' Adineta vaga rhomboidea'' **'' Adineta vaga tenuicornis'' **'' Adineta vaga vaga''

References

{{Taxonbar, from=Q4195499 Bdelloidea Rotifer genera