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1.
Yoshikazu Horie Paride Abliz Yan Hui Toshimitsu Fukiharu Kazuko Nishimura Dong Mei Li Ruoyu Li 《Mycoscience》2000,41(2):183-187
Emericella qinqixianii, a new species isolated from desert soil from Sanchakou, Aksu, Qiemo, Yuli, Yutian, and the Taklimakan desert 100 km inland
from Minfeng, Xinjiang Province, China, is described and illustrated. It is characterized by grayish yellow to olive brown,
non-ostiolate ascomata surrounded by hyaline to pale yellowish brown hülle cells, membranaceous peridium, prototunicate asci,
and violet-brown, lenticular ascospores with two equatorial crests, smooth convex surfaces, and long filiform appendages.
It hasAspergillus anamorph with biseriate aspergilla. 相似文献
2.
Nannizziopsis mirabilis, isolated from a soil sample collected from New Jersey, USA, is described as a new species. The ascomata are white to pale yellow, with a peridium of a network of loosely interwoven hyphae and simple, more or less straight, clavate appendages. The ascospores are hyaline, globose to subglobose, and ornamented with spiral bands or sometimes polygonal pits. The associated anamorph is assignable to the form genusChrysosporium. 相似文献
3.
A new species ofNeosartorya, N. sublevispora (anam.Aspergillus sublevisporus), is described and photographed. The species is characterized by non-ostiolate ascomata covered loosely with a pale yellowish
hyphal envelope, lenticular ascospores with two low equatorial crests, and subglobose to ellipsoidal, microtuberculate conidia.
The ornamentation of ascospores, which is composed of two closely appreassed crests and small even-sized echines on their
convex surfaces, particularly serves to distinguish this species from other recognized species. A revised key to all accepted
species of the genus is provided. 相似文献
4.
Two new species ofConiochaeta, isolated from Japanese soils, are described and illustrated:C. cephalothecoides, which is characterized by dark brown ascomata clothed with short setae, cylindrical asci and ovoid to almond-shaped or pyriform ascospores with a longitudinal germ slit; andC. dumosa, which is characterized by dark brown ascomata clothed with short setae and dense hyphal hairs, cylindrical asci and ellipsoid-fusoid ascospores with a longitudinal germ slit. These species are distinguished from most species of the genus by the unique cephalothecoid peridium of their ascomata. The associated anamorphs of both species are assignable to the form-genusLecythophora. 相似文献
5.
A new species ofThielavia (T. aurantiaca) isolated from field soil collected from Osaka is described and illustrated. The fungus is distinguished from other known
species by having ascomata covered with yellowish orange mycelium and smaller size of ascomata and ascospores. A chlamydospore-like
anamorph is formed. 相似文献
6.
Myxotrichum ochraceum var.frigidum, a new variety ofMyxotrichum, is described and illustrated from the material from Japanese soil. It is morphologically characterized by dull green to black ascomata with a yellow-orange centrum, peridium consisting of a fragile hyphal network, peridial hyphae with internal coiled branches and short spine-like appendages, pale yellow fusiform striate ascospores, and the absence of an anamorph. The new variety primarily differs from the type variety in the absence of elongate appendages. A key to all accepted species of the genus is revised. 相似文献
7.
A new ascomycete species, Jahnula apiospora (Jahnulales, Dothideomycetes), collected from submerged wood in a freshwater creek on Prince Edward Island, Canada, is described
and illustrated. The characteristic features of the new species are globose to subglobose, black, ostiolate, membranous ascomata
with broad, brown, subtending hyphae; a peridial wall composed of an outer layer of thick-walled cells occluded by black,
amorphous material along the upper two-thirds of the ascoma; trabeculate pseudoparaphyses; cylindrical to narrowly fusoid,
fissitunicate asci; and brown, one-septate, apiosporous ascospores without a gelatinous sheath or appendages. 相似文献
8.
Yoshikazu Horie Dong Mei Li Toshimitu Fukiharu Ruoyu Li Paride Abliz Kazuko Nishimura Duan Li Wang 《Mycoscience》1998,39(2):161-165
Emericella appendiculata, a new species isolated from soil of the Pamire Plateau, is described and illustrated. It is characterized by grayish green
non-ostiolate ascomata surrounded by a thick layer of hülle cells, membranaceous peridium, prototunicate asci, violet-brown,
lenticular ascospores which are ornamented by two stellate equatorial crests, capitate convex surfaces, and long filiform
appendages, and anAspergillus anamorph with biseriate conidiogenous cells. 相似文献
9.
Three new species of Hypomyces with KOH-negative subiculi occurring on the Aphyllophorales are described. Hypomyces pseudocorticiicola is characterized by a grayish-yellow to brown subiculum, fusiform ascospores, always with one septum, and its Cladobotryum-anamorph. Hypomyces laeticolor is characterized by a bright-colored subiculum, small apiculi on the ascospores, and well-developed verticillate conidiogenous
cells. Hypomyces penicillatus forms a Trichothecium-like anamorph with well-developed verticils of conidiogenous cells. 相似文献
10.
Anthostomella graminella has been re-examined and ascomata were found to be immersed beneath a clypeus. Asci were unitunicate, broad cylindrical,
and lacked an apical apparatus, while ascospores were inequilaterally ellipsoidal, 1–2 seriate, brown to light brown and unicellular,
with bipolar germ pores. Based on these characters,A. graminella is transferred toPandanicola. An illustration of this species and a tabulated comparison of this species withPandanicola calocarpa is given. 相似文献
11.
Leeuw NJ Kock JL Pohl CH Bareetseng AS Sebolai OM Joseph M Strauss CJ Botes PJ van Wyk PW Nigam S 《Antonie van Leeuwenhoek》2006,89(1):91-97
Eremothecium coryli is known to produce intriguing spindle-shaped ascospores with long and thin whip-like appendages. Here, ultra structural
studies using scanning electron microscopy, indicate that these appendages serve to coil around themselves and around ascospores
causing spore aggregation. Furthermore, using immunofluorescence confocal laser scanning microscopy it was found that hydrophobic
3-hydroxy oxylipins cover the surfaces of these ascospores. Using gas chromatography–mass spectrometry, only the oxylipin
3-hydroxy 9:1 (a monounsaturated fatty acid containing a hydroxyl group on carbon 3) could be identified. Sequential digital
imaging suggests that oxylipin-coated spindle-shaped ascospores are released from enclosed asci probably by protruding through
an already disintegrating ascus wall. 相似文献
12.
Three new species of Ophiostoma found on Japanese red pine are described as Ophiostoma pusillum sp. nov., O. botuliforme sp. nov., and O. nigrogranum sp. nov. Ophiostoma pusillum is characterized by oblong ascospores and a Hyalorhinocladiella anamorph. Ophiostoma botuliforme has ostioles covered with a hyaline gelatinous cap, allantoid ascospores, and a Pesotum anamorph with hyaline to pale brown stipes. Ophiostoma nigrogranum has hyaline ostiolar hyphae with rounded tips, allantoid ascospores, and sclerotium-like structures.Contribution no. 172, Laboratory of Plant Pathology and Mycology, Institute of Agriculture and Forestry, University of Tsukuba 相似文献
13.
An undescribed ascomycete similar to species in the Aliquandostipitaceae (Jahnulales, Dothideomycetes) was collected from
submerged wood in a freshwater swamp in Big Cypress National Preserve, Florida. The characteristic features of the new species
are as follows: (i) ascomata are small, sessile, light brown, globose to subglobose, papillate, and anchored to the substrate
by wide, brown, septate and subtending hyphae; peridial wall is composed of 1 to 2 layers of large, angular cells with large
lumens; (ii) asci are ovoid to broadly clavate, and fissitunicate; (iii) ascospores are one-septate, fusiform, multiguttulate,
pale brown, surrounded by a fusiform gelatinous sheath, and equipped with numerous filamentous appendages around the midseptum.
The new fungus is most similar to Aliquandostipite crystallinus, from which it differs in overall smaller size and morphology. This new fungus is described and illustrated herein as A. minuta. 相似文献
14.
Two new species of Pyrenomycetes from forest soil in New Caledonia,Anthostomella pacifica andChaetomium novaecaledonicum, are described and illustrated.Anthostomella pacifica is characterized by non-ostiolate ascomata, cylindrical asci with an amyloid apical apparatus, and two-celled ascospores (dark apical cylindrical and hyaline basal dwarfed cells) with longitudinal germ slits.Chaetomium novae-caledonicum is characterized by ostiolate ascomata, straight terminal hairs, arcuate lateral hairs with a recurved tip, and very small, ovoid-flattened ascospores.This research was supported in part by Monbusho International Scientific Research Program: Field Research, No. 05041093. 相似文献
15.
A new species ofChaetomium, C. umbratile, is described from Japan. The species is based on three specimens isolated from house dust samples in asthmatic patients'
dwellings. It is characterized by long, wavy and irregularly branched terminal hairs, which are intermingled with short straight
hairs, and nearly globose to broadly ellipsoidal ascospores with a slightly subapical or sometimes lateral germ pore. 相似文献
16.
Spiromastix saturnispora, isolated from a soil sample collected from central Java in Indonesia, is described and illustrated as a new species. The new species was compared with the type ofSpiromastix, S. warcupii, and is similar in having brownish ascomata with a peridium of a loose network of delicate hyphae, peridial appendages which are curved in the manner of a scimitar and never completely coiled, and the absence of an anamorph. The ascospores ofS. saturnispora are characterized as large oblate, 3.2–4.8 × 2.5–3µm, punctate, and with an equatorial rim, which serves to distinguish the species fromS. warcupii and other known species. 相似文献
17.
A new species ofPhaeosphaeria is described from mangroves in South Africa. InPhaeosphaeria capensis ascospores are 29–36×7–8 μm, cylindric-fusiform or somewhat clavate, widest at the middle, narrow at the base and rounded
at the apex, (6-)7-septate, light brown or brown, minutely verruculose and surrounded by a spreading, mucilaginous sheath.
It is compared withP. luctuosa andP. berlesei from grasses. 相似文献
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20.
Smith DP Kock JL Motaung MI van Wyk PW Venter P Coetzee DJ Nigam S 《Antonie van Leeuwenhoek》2000,77(4):389-392
Upon cultivation of the yeast Dipodascopsis tothii in its sexual stage, small ascospores are released individually from the ascus tip, which then assemble in sheathed cluster balls. In contrast to Dipodascopsis uninucleata, this yeast produced smooth bean shaped ascospores with sheath-like appendages that assemble in a disordered sheathed ball of ascospores outside the ascus. Strikingly, upon release, the ascus tip contained 3-hydroxy oxylipins, while the released ascospore clusters contained little or no 3-hydroxy oxylipins as indicated by immunofluorescence microscopy. In D. uninucleata, these oxylipins are concentrated on the spore surface and interspore matrix, but not on the ascus tip. 相似文献