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searching for Macronucleus 22 found (81 total)

Loxodes (3,241 words) [view diff] exact match in snippet view article find links to article

compared to other Ciliates. In the sister class, Heterotrichea, both the macronucleus and micronucleus divide during asexual cellular division. However, in

Paramecium caudatum (657 words) [view diff] exact match in snippet view article find links to article

nuclei (a large macronucleus and a single compact micronucleus). As in other ciliates, individuals cannot survive without the macronucleus and cannot reproduce

Paramecium aurelia (1,066 words) [view diff] exact match in snippet view article find links to article

micronuclei of the cell(s) undergo meiosis, the old macronucleus disintegrates, and a new macronucleus is formed by replication of the micronuclear DNA that

Balantidiasis (1,005 words) [view diff] exact match in snippet view article find links to article

humans. Trophozoites possess both a macronucleus and a micronucleus, and both are usually visible. The macronucleus is large and sausage-shaped while the

Climacostomum (1,072 words) [view diff] exact match in snippet view article find links to article

macronucleus of Climacostomum virens is normally long and wormlike (vermiform). Climacostomum gigas is reported to have a compact, ovoid macronucleus

Balantidium coli (1,297 words) [view diff] exact match in snippet view article find links to article

visible. The macronucleus is long and sausage-shaped, and the spherical micronucleus is nested next to it, often hidden by the macronucleus. The opening

Opercularia (ciliate) (249 words) [view diff] exact match in snippet view article

non-contractile stalk; peristome without lip; and elongate, horseshoe-shaped macronucleus. The name Opercularia comes from the Latin opercularis, which means covered

Somatic genome processing (1,148 words) [view diff] exact match in snippet view article find links to article

micronucleus (germ-line cell nucleus) that does not express genes and macronucleus, where most genes are expressed, and is subject to chromatin elimination

Heterotrich (626 words) [view diff] exact match in snippet view article find links to article

anterior of the mouth, and often spiral out of the oral cavity. The macronucleus is divided by external microtubules, whereas in the Karyorelictea it

Tracy Sonneborn (1,222 words) [view diff] exact match in snippet view article find links to article

of macronuclei suggested that genetic information passed from an old macronucleus to cytoplasm to a newly forming macronuclei, a mode of inheritance later

List of organisms by chromosome count (5,165 words) [view diff] exact match in snippet view article find links to article

"Origin, structure and function of millions of chromosomes present in the macronucleus of unicellular eukaryotic ciliate, Oxytricha trifallax: a model organism

Halofolliculina corallasia (1,035 words) [view diff] exact match in snippet view article find links to article

to swap DNA. Second, it has two cell nuclei. The larger, called the "macronucleus", carries out the normal work of the cell by transcribing DNA into RNA

Climacostomum virens (478 words) [view diff] exact match in snippet view article find links to article

surrounds the cytoproct (anus), through which food waste is eliminated. The macronucleus of Climacostomum virens is normally long and wormlike (vermiform). The

Thomas Cremer (1,231 words) [view diff] exact match in snippet view article find links to article

a variety of species, ranging from primates, birds to the micro- and macronucleus of ciliates with the goal to classify universally valid, species and

Ichthyophthirius multifiliis (2,669 words) [view diff] exact match in snippet view article find links to article

trout tail fin (light microscopy with subillumination). The horseshoe-shaped macronucleus is visible. (photo: Kurt Buchman, University of Copenhagen)

Miamiensis avidus (1,227 words) [view diff] exact match in snippet view article find links to article

per cell, from as few as 10 to as many as 14. Each cell possesses one macronucleus and one micronucleus. The original 1964 description emphasized the significance

George B. Chapman (962 words) [view diff] exact match in snippet view article find links to article

1987. The application of propidium iodide staining to the study of the macronucleus and micronuclei in the suctorian Heliophyra sp. Stain Technology 62:

Condylostoma (2,271 words) [view diff] exact match in snippet view article find links to article

are full of food vacuoles as well as cortical granules. They have a macronucleus with differing numbers of nodules ranging from 6 to 120. The pellicle

Ploidy (6,183 words) [view diff] exact match in snippet view article find links to article

their DNA faster than they can divide.[citation needed] In ciliates, the macronucleus is called ampliploid, because only part of the genome is amplified. Mixoploidy

Vampyrellida (3,216 words) [view diff] exact match in snippet view article find links to article

foliaceus Lepsi 1931 Hyalodiscus korotnewi Mereschovsky 1879 Hyalodiscus macronucleus Lepsi 1931 Hyalodiscus minimus Lepsi 1960 Hyalodiscus placopus Hülssmann

Cothurnia (1,285 words) [view diff] exact match in snippet view article find links to article

itself like a suction cup. Reproduction in Cothurnia begins with the macronucleus taking a transverse position in the zooid. With the help of two contractile

Marine microbiome (8,057 words) [view diff] exact match in snippet view article find links to article

Possible dynamics in symbiosis with aquatic ciliates as host Black circle: macronucleus, white big circle: food vacuoles, green circles: phototrophs, brown circles: