(n.) One of the minute grains in flowerless plants, which are analogous to seeds, as serving to reproduce the species.
(n.) An embryo sac or embryonal vesicle in the ovules of flowering plants.
(n.) A minute grain or germ; a small, round or ovoid body, formed in certain organisms, and by germination giving rise to a new organism; as, the reproductive spores of bacteria, etc.
(n.) One of the parts formed by fission in certain Protozoa. See Spore formation, belw.
Example Sentences:
(1) After absorption of labeled glucose, two pools of trehalose are found in dormant spores, one of which is extractable without breaking the spores, and the other, only after the spores are disintegrated.
(2) The dose response initially resembled that described by Scholer (1959) in which one million spores killed the majority of mice.
(3) Abnormal synaptonemal complexes were seen in all 19 crosses of N. crassa and N. intermedia that were examined, including matings between standard laboratory strains, inversions, Spore killers, and strains collected from nature.
(4) The mutant spores are pleomorphic and differ both in shape and size from the wild-type spores.
(5) The results presented here substantiate the hypothesis that in S. cerevisiae trehalose supplies energy during dormancy of the spores and not during the germination process.
(6) The fungicidal activity of six rabbit neutrophil cationic peptides (NP) against resting (dormant) spores, preincubated (swollen) spores, and hyphae of Aspergillus fumigatus and Rhizopus oryzae was examined.
(7) In the electron microscope large aggregates of beta glycogen particles were seen in the cytoplasm of sporoplasm cells in mature spores.
(8) The spore germination was synchronized by selection of the spores of the definite size and maintenance at a temperature of 0 degrees.
(9) GAD activity appeared in mutant spores after germination and increased to levels comparable to parent spores after 9 min of germination.
(10) The Ca++-form and H+-form spores of Clostridium botulinum 33A were investigated in vivo with respect to their water sorption and heat-resistance characteristics.
(11) Salt concentrations slightly lower than those providing inhibition tended to extend spore outgrowth time at low temperatures.
(12) The AL spores and the GN spores were morphologically distinct.
(13) Studies demonstrated the fact that there are present within the malignant cell and in the immediate area bacterial spores arising from one of several varieties of plant bacteria.
(14) The stages observed were diplokaryotic cells, sporogonial plasmodia, unikaryotic sporoblasts, and spores.
(15) The rod-shaped organism was motile, did not form spores, and had a gram-negative wall structure.
(16) Numerous factors influenced its activity: method of spore production, inherent spore resistance characteristics, alkalination, storage time and storage temperature.
(17) The inoculum level of infected spores in nutrient broth-yeast extract-glucose medium affected the transducing efficiency of SP-10 in lysates of these cultures.
(18) It can be dissociated from the spores using divalent metal chelators and will reassemble on the spores in the presence of calcium.
(19) Stable messenger ribonucleic acid (mRNA) was shown to be involved in both enterotoxin synthesis and synthesis of other spore coat proteins in Clostridium perfringens.
(20) Effects of alpha- or beta-D-glucose on the respiration of germinated spores (only germinated spores not including swollen spores and elongated spores) of Bacillus subtilis and B. megaterium were studied.
Sporophore
Definition:
(n.) A placenta.
(n.) That alternately produced form of certain cryptogamous plants, as ferns, mosses, and the like, which is nonsexual, but produces spores in countless numbers. In ferns it is the leafy plant, in mosses the capsule. Cf. Oophore.
Example Sentences:
(1) The other major soluble carbohydrate of the sporophore, trehalose, decreased throughout the growth of the sporophore; a parallel decrease was observed in the mycelium.
(2) Sporogony is disporoblastic, giving rise to 2 spores that are retained in pairs within the sporophorous vesicle.
(3) If it does, then all that will be required is a simple addition of this character to the definition; if not, U. legeri will have to be transferred to a new genus and reclassified with other disporoblastic genera that sporulate in sporophorous vesicles.
(4) Previous studies of ganoderma involvement in allergic asthma and rhinitis were extended by locating the sporophores (fruiting bodies) in the Auckland area and systematically collecting the ejected spores.
(5) Changes in the ethanol-soluble carbohydrate content of Agaricus bisporus mycelium and sporophores grown on semi-defined media and commercial compost were studied.
(6) A substantial amount (26 to 33%) of the fatty acids of the neutral lipids from both sporophore and mycelium were apparently of chain length greater than C18.
(7) Cultures which were grown for 24 or 48 h in the absence of drug and were then exposed to saperconazole showed a block in the development of hyphae, sporophores, vesicles, sterigmata and spores.
(8) A sporophorous vesicle forms around the sporonts, arising as a blister that separates from the electron-dense surface coat of the sporont.
(9) The representatives of Micromonospora and Streptosporangium, some strains of Proactinomyces and the cultures of Actinomyces forming whorl sporophores were the least stable when stored for a period up to 1 year.
(10) The ultrastructural study indicated the following characteristics: parasite stages arranged in a random, unstratified manner in the xenoma; merogony by multiple fission; sporogonic stages isolated within a sporophorous vesicle containing several sporoblasts and polysporoblastic sporogony.
(11) Unikaryon piriformis, which is the type species of the genus and is also hyperparasitic in platyhelminth larvae, has not been examined by electron microscopy, and it is not known whether this species also produces sporophorous vesicles.
(12) The development of the sporophorous vesicle stopped in many cases.
(13) The layer of the aerial mycelium was loosely connected with the substrate mycelium and consisted of sporophores and spore chains partially broken into single spores.
(14) Small quantities of glucose were present in the sporophore.
(15) We have estimated that between 400 and 1200 sporophores would account for previously reported levels of ganoderma spores collected from the air by Burkhard spore traps.
(16) The wall of the sporophorous vesicle was composed of two electron-dense outer layers and an electron-lucent intermediate layer.
(17) flavus and differed from the latter in the sporophores, colour of the substrate mycelium on synthetic media amd markedly pronounced antagonism with respect to yeasts and yeast-like fungi.
(18) Both conidial types originated on short lateral sporophores terminated by phialids.
(19) The main accumulation of mannitol was in the pileus and stipe of the sporophore and was accompanied by a decrease in the soluble protein content of these tissues.
(20) The spore form and spore membrane surface were close in all sporogenic variants, while there were significant differences in the structure of the sporophores.