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Spores produced in an ascus
In fungi, an ascospore is the sexual spore formed inside an ascus, a sac-like cell. Asci define the division Ascomycota, the largest and most diverse
Ascospore
Spore-bearing tissue layer in fungi
produce no spores. In Ascomycota, the fertile cells are asci, within which ascospores are formed internally, commonly eight to an ascus. The asci are often
Hymenium
Genus of fungi
flask-shaped perithecia containing asci. These, in turn, contain thread-like ascospores, which usually break into fragments and are presumably infective. Cordyceps
Cordyceps
Spore-bearing cell in ascomycete fungi
cell produced in ascomycete fungi. Each ascus usually contains eight ascospores (or octad), produced by meiosis followed, in most species, by a mitotic
Ascus
Genus of fungi
ascospores. Asci do not rupture at maturity. Ascospores are stained with Kinyoun stain and ascospore stain. When stained with Gram stain, ascospores appear
Saccharomyces
Species of fungus
host, the fungus produces ascospores, which are stored in a fruiting structure known as the pseudothecia. These ascospores then get dispersed by the wind
Dibotryon_morbosum
Genus of fungi
clavate, and are gelatinous. They contain eight, dark to olive-brown ascospores that segmented into four cells and have a germ slit that are ejected from
Sporormiella
Species of fungus
morphologically, producing black perithecia containing asci with eight dark ascospores in a linear arrangement. These species share a number of characteristics
Sordaria_fimicola
Spore-bearing fruiting body of a fungus
Mycotoxicology Structure Reproduction/spore teleomorph/sexual: Zygospore Ascospore/Ascus Basidiospore/Basidium/Teliospore anamorph/asexual: Sporangium Conidium
Mushroom
Division or phylum of fungi
nonmotile spores, called ascospores, are formed. However, some species of Ascomycota are asexual and thus do not form asci or ascospores. Familiar examples
Ascomycota
Fungal disease that affects citrus fruit
producing ascospores. Ascospore formation is accelerated by sequential wetting and drying of the leaf litter. However, very wet conditions inhibit ascospore development
Citrus_black_spot
Subkingdom of fungi
or sac fungi, is characterized by formation of meiotic spores called ascospores enclosed in a special sac called an ascus. The genetic components for
Dikarya
Genus of fungi
in hairs. Asci are often clavate and evanescent, bearing eight spores. Ascospores are usually lemon-shaped, commonly colored olive-brown. Mycelia often
Chaetomium
Species of fungus
contains pseudoparaphyses along with asci. The asci contain eight haploid ascospores. The haploid chromosome number of V. inaequalis is seven. The infection
Venturia_inaequalis
Species of lichen-forming fungus
its immersed pyriform ascomata with lateral ostioles and bent, muriform ascospores. Astrothelium curvatum was formally described as a new species in 2016
Astrothelium_curvatum
Species of lichen-forming fungus
become stouter towards their tips, reaching about 3 μm in diameter. The ascospores of Pyrenodesmia variabilis number eight per ascus and are ellipsoid in
Pyrenodesmia_variabilis
Species of fungus
the stroma, perithecia are produced that give rise to asci and ascospores. The ascospores are released as a white ooze during wet weather. Wind-driven water
Anisogramma_anomala
Inverted cone shape in botany
structure. In the case of fungi the designation is often made to the ascospore. The use of obconic in botany dates to at least as early as the nineteenth
Obconic
Species of fungus
bodies) that have a distinct opening (an ostiole) and by dark, thick-walled ascospores whose surfaces are coarsely net-like (reticulate). Each spore has a pronounced
Microthecium_fimicola
Species of fungus
arranged ascospores that set in the upper area of asci would be discharged through operculum at the asci tip. The ultrastructure of ascospores of A. nigricans
Ascodesmis_nigricans
Species of lichen
centrally positioned) red ostioles (the openings of the fruiting bodies). Its ascospores are 3-septate, meaning they are divided into four sections, and measure
Pyrenula_rubrolateralis
Genus of fungi
developed in slide cultures, including at 37 °C; the authors did not observe ascospore formation on the sporulation media they tested. Growth occurred up to
Candidozyma
Species of lichen
by its weakly carbonized lirellae and thick-walled, strongly amyloid ascospores. Despite its superficial similarity to Fissurina subfurfuracea, F. amyloidea
Fissurina_amyloidea
Unit of reproduction adapted for dispersal and survival in unfavorable conditions
ejection. These mechanisms include, for example, forcible discharge of ascospores enabled by the structure of the ascus and accumulation of osmolytes in
Spore
Genus of lichen-forming fungi
as a broad category for species with colourless, transversely septate ascospores within the Graphidaceae. However, with advances in genetic research, this
Graphis_(lichen)
Species of fungus
characterized by its hyaline ascospores, which distinguish it from most other Capronia species that have pigmented ascospores. The new species is most similar
Capronia_cogtii
Species of lichen-forming fungus
study found that these apothecia release abundant, readily germinating ascospores, suggesting that sexual reproduction contributes to long-distance dispersal
Cladonia_rangiferina
Species of lichen-forming fungus
scientific name, though the two species differ in their internal chemistry and ascospore structure. Fuscidea ramboldioides was described as a new species by Gintaras
Fuscidea_ramboldioides
Species of lichen-forming fungus
members have relatively large, multi-septate to muriform (multi-chambered) ascospores and a characteristic suite of reddish pigments detectable by thin-layer
Coniarthonia_haematodea
Species of lichen-forming fungus
that are irregular, sometimes forming linear to reticulate patterns. Ascospores are colorless, 3-septate, and fusiform, measuring 16–18 × 6–7 μm. Chemical
Astrothelium_flavum
Species of fungus
usually 0.2-1.0 mm in diameter and gray to black on the surface. The ascospores are hyaline (colorless), unicellular, curved, and measure 5-8 x 1-2 μm
Leucostoma_kunzei
Species of fungus
of Aspergillus. Several fungi from this section produce heat-resistant ascospores, and the isolates from this section are frequently obtained from locations
Aspergillus_viridinutans
Species of lichen
split-off fragments. Another difference lies in the ascospores; when observed in water, the ascospores of Iqbalia have a wide septum (an internal dividing
Iqbalia
Species of fungus
superficial, oval perithecia at the apex of its stroma, and also multiseptate ascospores, while producing Hirsutella-type anamorphs on growth culture media. They
Ophiocordyceps macroacicularis
Ophiocordyceps_macroacicularis
Species of lichen
rock. It has rod-shaped (bacilliform) conidia measuring 5–7 μm long, and ascospores that are 11–18 by 8–10 μm. Heteroplacidium zamenhofianum is a closely
Heteroplacidium_compactum
Process of pairing in biology
on 26 February 2009. Retrieved 28 November 2009. Neiman, A.M. (2005). "Ascospore formation in the yeast Saccharomyces cerevisiae". Microbiology and Molecular
Mating
Species of lichen-forming fungus
muriform (multi-chambered) ascospores. It differs from the otherwise similar Graphis pseudoserpens in having larger ascospores, and within this group it
Graphis_subintermedians
Growth medium used with diphtheria bacilli
until the slant ruptures, this medium can be used for the detection of ascospores. Heart muscle and animal tissue peptone provide the amino acids and other
Löffler's_medium
Species of ascomycete fungus
facilitated by the ordered arrangement of the products of meiosis in Neurospora ascospores. Its entire genome of seven chromosomes has been sequenced. Neurospora
Neurospora_crassa
Species of fungus
which the diploid zygote undergoes meiotic divisions to yield haploid ascospores. Anidulafungin is a semisynthetic lipopeptide antifungal drug of echinocandin
Aspergillus_nidulans
Species of fungus
saclike structure, the ascus, which contains anything from four to eight ascospores in the sexual stage. The sac fungi are separated into subgroups based
Xylaria_polymorpha
Species of fungus
spore germination in the 1910s. He determined that fully grown ("ripe") ascospores can be germinated after a lengthy resting period, but a pretreatment with
Onygena_equina
Genus of fungi
Sarcoscypha. European and North American species of Sarcoscypha by H. O. Baral Mushroom Expert Ascospores Comparison of three similar Sarcoscypha species
Sarcoscypha
Fruiting body of an ascomycete fungus
millions of embedded asci, each of which typically contains four to eight ascospores. Ascocarps are most commonly bowl-shaped (apothecia) but may take on a
Ascocarp
Fungus, cause of ash dieback
during summer on ash petioles in the previous year's fallen leaves. The ascospores are produced in asci and are transmitted by wind, which may explain the
Hymenoscyphus_fraxineus
Species of lichen-forming fungus
40–45 μm; subhymenium 20–30 μm; the proper exciple is 50–70 μm thick. Ascospores are long-fusiform, 2-celled, often with 3–6 additional septa, typically
Ramalina_usnea
Fungal disease of maize
teleomorph state). The fungus is an Ascomycete and can use conidia or ascospores to infect. There are three races of B. maydis: Race O, Race C, and Race
Southern_corn_leaf_blight
Species of lichen
Thailand. The species has a finely warted thallus and non-septate, halonate ascospores, and it differs from M. coralliformis by its larger spores. The species
Malmidea_eeuuae
Species of lichen
Thailand; the species has a densely warted thallus and non-septate, halonate ascospores, and it resembles M. aurigera but differs in having a whitish medulla
Malmidea_inflata
Species of lichen-forming fungus
Fissurina mexicana, but it was separated because F. mexicana has muriform ascospores (divided into many small compartments) and a less strongly contrasting
Fissurina_pseudostromatica
Species of fungus
spore-containing structures), which have a brown exterior wall. The ascospores within the perithecia are ellipsoid in shape, with a smooth exterior and
Botryosphaeria_ribis
Species of lichen-forming fungus
fruiting bodies (pseudothecia) that produce brown, muriform (multichambered) ascospores. Anthracothecium prasinum is treated as an accepted species of Anthracothecium
Anthracothecium_prasinum
Species of fungus
results in the production of wind-blown ascospores. Ascospores can be dispersed several kilometers. Ascospore release begins in the spring and can continue
Ascochyta_pisi
Species of lichen-forming fungus
lacking a cortex and lacking a prothallus. The asci contain 8 spores; the ascospores are hyaline, measuring 22–30 by 5 μm with 6 to 8 transverse septa. Acanthothecis
Acanthothecis_subfarinosa
Species of lichen
involute (rolled inward) at first, later becoming dentate (toothed). The ascospores (spores produced in the apothecia) are ellipsoid and measure 8–9 by 4
Hypotrachyna_neosingularis
Fungal plant disease
fruiting bodies which give rise to bitunicate asci that contain 8 ascospores. Ascospores are readily dispersed and spread by wind after rain or during evening
Gummy_stem_blight
Fruiting body of a subterranean ascomycete fungus
sexual spores (meiospores or ascospores/basidiospores). Conidia can be produced more readily and with less energy than ascospores and can disperse during disturbance
Truffle
Species of lichen
hyaline (colourless) to pale brown, measuring about 20–60 μm thick. The ascospores are ellipsoid to fusiform (spindle-shaped) and contain oil droplets; they
Phacopsis_australis
Species of fungus
layer of cylindrical spore producing cells called asci, from which the ascospores are forcibly discharged. It is a yellow-grey to beige fungus internally
Peziza_cerea
Genus of lichen-forming fungi
contains eight colourless, three-segmented (3-septate) spindle-shaped ascospores, roughly 22–24 μm long by 6–8 μm wide, which are shot into the air when
Dendrographa
Species of lichen
iodine), and the asci produce eight, narrowly spindle-shaped, 3-septate ascospores with pointed ends. Asexual fruiting bodies (pycnidia) are frequent near
Chiodecton_complexum
Species of lichen-forming fungus
ring around them called lecanorine. Ascocarp containing 8 brown, septate ascospores ranging in size from 15-18 μm. Is found as a lichen in all forms. Physcia
Physcia_stellaris
Single-species lichen genus
contains 8 ellipsoid ascospores, which are 3-septate, measuring 11–15 by 6–7 μm, and 1.8–2.5 times as long as wide. The ascospores are hyaline, distoseptate
Byssotrema
Species of lichen-forming fungus
Hamathecium does not contain oil globules. Asci contain eight ascospores each. Ascospores are hyaline, muriform, fusiform, measuring 117–125 by 17–21 μm
Astrothelium_megeustomum
Species of lichen-forming fungus
soredia, although apothecia are not exceptionally rare in rural areas. Ascospores measure 8–14 μm. In terms of standard spot tests, the upper surface of
Parmelia_sulcata
Species of lichen-forming fungus
ostiole and the presence of three septa (internal partitions) in the ascospores. The species was described in 2018 by lichenologists Klaus Kalb and André
Astrothelium_miniannulare
Species of lichen-forming fungus
(spore-bearing sacs), which contain a single ascospore rather than eight, and by its larger ascospores. The specific epithet megacrypticum refers to
Astrothelium_megacrypticum
Species of fungus
seasons as mycelia, ascospores, and conidia in infected leaves and canes. In the spring during moist, humid conditions, ascospores and conidia are wind-borne
Diplocarpon_rosae
Species of lichen-forming fungus
often nestled between the crustal patches and contain eight colourless ascospores per spore sac. It grows primarily on acidic rocks such as granite and
Lecidea_fuscoatra
Plant disease caused by fungus
by reducing the germination of ascospores. As such, fungicides are typically applied early in the season, when ascospores are first released. However, fungicide
Apple_scab
French lichenologist and mycologist (1927–2014)
ultrastructure of the ascus: the apical apparatus, the ascus wall, the ascospore wall and the mechanism of dehiscence. These investigations confirmed and
André_Bellemère
Genus of lichen-forming fungi
are distinguished by their thick, dark fruiting body walls, elongated ascospores divided by cross-walls, and the presence of various lichen products including
Ingaderia
Organism belonging to kingdom Fungi
followed immediately by meiosis and the production of ascospores. After dispersal, the ascospores may germinate and form a new haploid mycelium. Sexual
Fungus
Species of lichen
droplets. The asci (spore-bearing cells) typically contain eight spores. The ascospores are relatively large, ellipsoid, and slightly pointed at the ends, measuring
Sirenophila_maccarthyi
Species of fungus
can easily be distinguished by measurements of length/width ratio of ascospores and molecular data (Ho et al., 1997; Boonyuen et al., 2011). Savoryella
Savoryella_lignicola
Species of lichen
cylindrico-clavate and contain eight irregularly arranged ascospores. They show no staining reaction with iodine. Ascospores are brown and initially divided by three septa
Pyrenula_endocrocea
Species of fungus
species by its shorter conidiophores and smaller chasmothecia, asci and ascospores. Phyllactinia cornicola was formally described by I. Zafar, N.S. Afshan
Phyllactinia_cornicola
Species of lichen-forming fungus
similar to Acanthothecis collateralis, but separated it by its smaller ascospores. They also distinguished it from other superficially similar species using
Acanthothecis_coccinea
Species of lichen
uninspersed. The asci are club-shaped and contain eight ascospores arranged irregularly. Ascospores are brown, 3-septate, and broadly fusiform (spindle-shaped)
Pyrenula_sanguineostiolata
Species of lichen-forming fungus
120–130 μm long, 30–35 μm wide), each containing 4–8 colorless ascospores. The ascospores are oblong and divided by both transverse and longitudinal cross-walls
Allographa_sessilis
Order of fungi
unitunicate, pedicellate, persistent, with a J+ or J−, apical ring. Ascospores hyaline, multi-septate, often guttulate, lacking any mucilaginous sheath
Pisorisporiaceae
Species of fungus
There is no sinus at the attachment of the pileus with the stipe. The ascospores are ellipsoid to broadly ellipsoid, hyaline (translucent), and measure
Morchella_anatolica
Species of fungus
spores (ascospores) are produced. This ascospore is "forcibly discharged into the air and can travel considerable distances" and "ascospores are an important
Black_rot_(grape_disease)
Species of fungus
Inside the chambers, the asci break up to leave round, cream or yellow ascospores. Once collected and dried, the rind's colour changes to a dull red-brown
Paurocotylis_pila
Species of lichen
lichenologist Laurens Benjamin Sparrius. The species is characterised by its ascospores that contain three septa and absence of norstictic acid, distinguishing
Enterographa_aldabrensis
Species of lichenized fungus
extreme conditions of outer space II: germination capacity of lichen ascospores in response to simulated space conditions". Advances in Space Research
Rusavskia_elegans
Species of fungus
stromata E longitudinal sections of stromata F–H asci with ascospores I pigments in 10% KOH J ascospore with indehiscent perispore in 10% KOH K ascus apical
Nemania_diffusa
Genus of lichens
green-algal partner, and it also differs from Gyalecta sensu lato in having ascospores surrounded by a thick gelatinous sheath. The new combinations Neopetractis
Neopetractis
Species of lichen
apothecia lack a columella, a feature present in many related species. The ascospores of this lichen contain three septa, are colourless, and measure 10–13
Compositrema_thailandicum
Species of lichen-forming fungus
thallus and its almost globose (spherical) ascomata (fruiting bodies). The ascospores are 1-septate, meaning they are divided into two sections, and measure
Anisomeridium_globosum
Species of fungus
fungus to sporulate. Ideal ascospore dispersal occurs after nightly rainfall and dew periods. In order to infect, ascospores must land on leaves that have
Didymella_bryoniae
Species of lichen-forming fungus
colour as the thallus, measuring 0.3–0.9 mm long by 0.15–0.25 mm wide. Its ascospores, which number eight per ascus, are ellipsoid with 3 to 5 transverse septa;
Acanthothecis_kalbii
Order of fungi
obligate insect ectoparasites that produce cellular thalli from two-celled ascospores. Of the described Laboulbeniales, Weir and Hammond 1997 find 80% to be
Laboulbeniales
Species of lichen-forming fungus
iodine), and the ostiolar channel is also clear. Asci contain two ascospores. The ascospores are hyaline, oblong-ellipsoid, and richly muriform, with relatively
Viridothelium_tricolor
Species of lichen-forming fungus
oil-droplet-filled spore-bearing layer (less hymenial inspersion), and narrower ascospores. The species was placed in the genus Allographa based on its prominent
Allographa_exuens
Species of lichen
transparent, lacking oil droplets or crystalline inclusions. The spores (ascospores) are distinctively narrowly ellipsoid and often curved or bow-shaped,
Haloplaca_suaedae
Species of fungus
stroma becomes a spongy black mass and produces sexual spores called ascospores in the pseudothecia, which remain embedded in the stroma. Beech branch
Scorias_spongiosa
Species of lichen
15–22 μm wide, each containing 6 to 8 broadly ellipsoid to fusiform ascospores. These ascospores lack septa (internal partitions), with walls that are often slightly
Malmidea_hernandeziana
Species of lichen-forming fungus
5 cm (2.0 in) tall and reproduces mainly by fragmentation rather than ascospores. The species has a wide, bipolar distribution, occurring from the maritime
Cetraria_aculeata
Species of lichen
apothecia is concave and pale red-brown, with an uneven, isidiate margin. The ascospores (reproductive spores) are ellipsoidal and measure 8–10 by 3.5–8 μm. Pycnidia
Melanohalea_exasperatula
ASCOSPORE
ASCOSPORE
ASCOSPORE
ASCOSPORE
Girl/Female
Hindu, Indian
Well Wisher; Helper; Earth Daughter; Part of Love
Boy/Male
Hebrew
Festival.
Girl/Female
Muslim
One who gives, Giver, Donor
Boy/Male
Indian, Punjabi, Sikh
Victory of Supreme God
Girl/Female
American, British, English, Greek, Irish
Dweller Near a Hollow; From the Round Hill; Maiden; Seething Pool; Ravine
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Marathi, Sanskrit, Telugu
Excited; Energised
Girl/Female
Arabic, Muslim
One who Praises
Surname or Lastname
English
English : variant of Holdsworth.
Girl/Female
English
Young Beautiful
Boy/Male
English
From the good estate.
ASCOSPORE
ASCOSPORE
ASCOSPORE
ASCOSPORE
ASCOSPORE
n.
One of the spores contained in the asci of lichens and fungi. [See Illust. of Ascus.]