Spore

spore mother cell
a cell, which by cell divisions, produces usually four spores
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Spores produced in a sporic life cycle.
A spore is a biological term for a reproductive mechanism, usually haploid and unicellular, that is adapted for dispersion and surviving for extended periods of time in unfavorable conditions.
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SYN: asexual spore
(1) In plants and fungi, sexual spores are the haploid cells produced by meiosis.
(2) In fungi, asexual spores are somatic cells that are cast off to act either as gametes or as the initial cells for new haploid individuals.
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Spores/Pollen
spores for resisting environmental degradation
Spores that germinate into the gametophyte generation ...
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Spore
Unicellular often environmentally resistant dormant or reproductive body produced by plants and some microorganisms and capable of development into a new individual either directly or after fusion with another spore.
Conjugation ...
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spore -- n. A single cell that is dispersed as a reproductive unit, or that encapsulates a cell during unfavorable environmental conditions; in organisms with an alternation of generations; the products of meiosis are spores.
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Spore
A highly resistant, resting state of an organism. Under the proper condiditons s spore will germinate to form a viable, reproducing organism. Bacterial spores are often very resistant to heat and dessication.
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Spore: A reproductive structure developing in certain bacteria and fungi which is strongly resistant to environmental influences but which will become active under suitable conditions.
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spore
[Gk. spora, seed]
In the life cycle of a plant or alga undergoing alternation of generations, a meiotically produced haploid cell that divides mitotically, generating a multicellular individual, the gametophyte, without fusing with another cell.
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spore. A reproductive body produced by certain fungi and other organisms, capable of growing into a new individual under proper conditions.
sporulation. The production of spores.
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spore A reproductive unit (often unicellular) that is capable of developing into a new organism without fusion with another cell.
sporoblast Cell mass that will differentiate into a sporocyst within an oocyst.
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Spore. A form taken by certain microbes that enables them to exist in a dormant stage. It is an asexual reproductive cell. See Asexual reproduction, Dormant.
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endospore - seed-like structure; formed to preserve life when conditions turn bad ...
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If a spore is blown to a suitable moist location,
It germinates into a filament of cells.
This grows into a prothallus with ...
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Well, the organic spores, I'm not really familiar with how they use those, because they don't use them a lot in this particular area because of the lower incidence of corn borer.
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The reduction division process by which haploid gametes and spores are formed, consisting of a single duplication of the genetic material followed by two mitotic divisions. Messenger RNA (mRNA).
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These include many spore-coat and spore-germination determinants believed to play in important role in virulence. There are many genes without homologues in B.
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Plants of this hybrid normally produce abortive sporangia containing inviable spores. In 1944 Butters found a W. abbeae plant near Grand Portage, Minn. that had one fertile frond (Butters and Tryon 1948).
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Subjection to the temperature of boiling water for, say, half an hour seemed an efficient mode of sterilization, until it was discovered that the spores of bacteria are so involved in heat-resisting membranes, that only prolonged exposure to dry, ...
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Two successive nuclear divisions (with corresponding cell divisions) that produce haploid gametes (in animals) or haploid sexual spores (in plants and fungi) having one-half of the genetic material of the original cell.
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Fecal coliform bacteria Technically, all the facultative anaerobic gram negative non-spore forming rod shaped bacteria that fermet lactose in EC medium with gas production within 24h at 44.5 degrees C.
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In plants, gametes are not produced directly. Instead meiosis produces spores and then mitosis produces gametes. Although plants have an additional step, meiosis eventually results in the production of haploid gametes.
Phases of Meiosis ...
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Spores of fungi can survive thousands of years in that state. But every lifeform is bound to have metabolism at some point of its life cycle, with the possible exception of viruses, which use their hosts' metabolism.
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fruiting body - in Dictyostelium, the final structure derived from a grex/slug/pseudoplasmodium, an aggregation of thousands of myxamoebae forming a single structure composed of spore cells and a stalk.
Back to the Top ...
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In plants, a propagule is whatever structure functions to reproduce the species: a seed, spore, stem or root cutting, etc.
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