Relevant bibliographies by topics / Phycomycetes. Fungi

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Academic literature on the topic 'Phycomycetes. Fungi'

Author: Grafiati
Published: 4 June 2021
Last updated: 2 February 2022

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Journal articles on the topic "Phycomycetes. Fungi"

1

Singh, C. S. "Successional studied of fungi on mammalian dung." Acta Mycologica 20, no. 1 (August 20, 2014): 105–20. http://dx.doi.org/10.5586/am.1984.009.

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Dung samples of nine animals were collected from different places at Gorakhpur (U.P.) and incubated for 50 days. A total of 79 fungal species comprising <i>Phycomycetes</i> (22), <i>Ascomycetes</i> (23), Basidiomycetes</i> (6). <i>Deuteromycetes</i> (21), <i>Mycelia sterilla</i> (4) and <i>Myxomycetes</i>(3) were isolated from the dung these animals. Among difTcrcnt species isolated, some were found in dung of several animals while others were restricted only to the dung of a particular animal dung. During the succession, the fruitbodies of <i>Phycomycetes</i> appeared first, closely followed by <i>Deuteromycetes, Ascomycetes</i> and <i>Basidlomycetes. Mycelia sterilia</i> and <i>Myxomycetes</i>, appeared carly as well as late but persisted for a much longer time.
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2

C.E, Odu,, Ogbonna, C.I.C, Chukwu, O.O.C, Onyimba, I.A., and Ndirmbula, J.B.,. "Lipase Production by Some Aquatic Phycomycetes in Maiduguri a Semi-Arid Area of Nigeria." European Scientific Journal, ESJ 13, no. 27 (September 30, 2017): 286. http://dx.doi.org/10.19044/esj.2017.v13n27p286.

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Studies on the abilities of three species of aquatic phycomycetes isolated from the semi arid zone of Nigeria in Maiduguri, Borno State to produce lipase was carried out. The isolates included Allomyces anomalus, Allomyces arbuscular and Brevilegnia diclina. These three test aquatic phycomycetes were isolated using baiting technique with hemp seeds and pure cultures maintained on malt extract agar for lipase production. Plate assay and culture broth assay methods using mineral salts medium with tween 80 in conjunction with Olive oil and Mustard seed oil as lipase inducers were used in assessing the abilities of the isolates in producing lipase. The three isolates of aquatic phycomycetes showed via the plate assay method abilities to produce lipase with evidence of halo formation around colonies without stains and separately with intensification of halo formation with methyl red and sudan III indicators. Allomyces anomalus recorded the highest growth and halo diameter followed by Allomyces arbuscular and least by Brevilegnia diclina. Lipase level was not detectable using the culture broth method. Lipase production by aquatic phycomycetes have not been encountered from available literature, hence this preliminary result needs to be optimised fully to exploit new opportunities of lipase production from these group of aquatic fungi.
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3

Dore, J., and D. A. Stahl. "Phylogeny of anaerobic rumen Chytridiomycetes inferred from small subunit ribosomal RNA sequence comparisons." Canadian Journal of Botany 69, no. 9 (September 1, 1991): 1964–71. http://dx.doi.org/10.1139/b91-246.

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The 18S-like rRNA sequences of four recently isolated strains of rumen anaerobic phycomycetes (Neocallimastix frontalis MCH3, Piromonas communis FL, Sphaeromonas communis FG, and Neocallimastix joyonii NJ1) were analyzed and compared to examine the phylogenetic relatedness of the four isolates to each other and to other eukaryotes. The rumen chytrids characterized demonstrated very high 18S-like rRNA sequence similarities (97–99%). They are more closely related to the true fungi than to any other eukaryotes. Key words: phylogeny, anaerobic fungi, rumen, chytrids, Chytridiomycetes, Neocallimastix.
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4

Sultana, Tusnim, Shamim Shamsi, and MA Bashar. "Fungi Associated With Common Spices In Bangladesh." Journal of the Asiatic Society of Bangladesh, Science 40, no. 2 (December 30, 2014): 179–86. http://dx.doi.org/10.3329/jasbs.v40i2.46016.

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Association of fungi in chili (Capsicum fruticance L.), coriander (Coriandrum sativum L.) and turmeric (Curcuma longa L.) was investigated. A total of 19 species of fungi under ten genera and one sterile mycelial fungus was isolated from the three spices. Out of ten genera three belong to Phycomycetes, one genus belongs to Ascomycetes and rest belongs to Deuteromycetes. The most frequent contaminants of the spices were Aspergillus niger van Tieghem, A. flavus Link, Fusarium nivale, Pestalotia sp. and Rhizopus sp. Dried fruits of the spices showed maximum number of fungal association in comparison with the respective commercial brand powder samples. Out of three plant extracts. A. sativum was found to inhibit the growth of all the test isolates at all concentrations. Asiat. Soc. Bangladesh, Sci. 40(2): 179-186, December 2014
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5

Mohanty, D., M. Dhar, and S. Dwivedi. "Mucormycosis." Tropical Doctor 40, no. 2 (March 19, 2010): 127–28. http://dx.doi.org/10.1258/td.2009.090209.

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Mucormycosis is an aggressive, opportunistic infection caused by fungi belonging to the class of Phycomycetes. Rhino-occulo-cerebral mucormycosis is the commonest anatomical presentation of mucormycosis and is a potentially fatal disease. We report here a case of a 65-year-old diabetic female who presented with a locally invasive type of mucormycosis and was treated successfully by surgical debridement along with medical treatment (Amphoterecin-B and insulin).
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6

C.E., Odu, Ogbonna C.I.C., Bukbuk D., Chukwu O.O.C., Yerima I., and Mustapha D. "The Abilities of Four Species of Nigerian Aquatic Phycomycetes to Utilize Petroleum and Petroleum Products as Sole Carbon Sources." European Scientific Journal, ESJ 14, no. 3 (January 31, 2018): 240. http://dx.doi.org/10.19044/esj.2018.v14n3p240.

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Studies were carried out on the abilities of four aquatic phycomycetes species isolated from crude oil polluted marine , brackish and fresh water environments in Nigeria to utilize refined Petroleum and Petroleum products as sole sources of carbon. The said species of fungi included Brevilegnia indica, Protoachyla paradoxa, Saprolegnia bhargavi and Thraustotheca clavata. They were grown on fungal culture media which contained mineral salts solution, refined petroleum, kerosene and diesel as sole sources of carbon and agar as a solidifying agent. Two concentrations of each of the resulting oil agar media were used vis 1% and 2%. The resultant medium was then used to culture each of the test fungi in triplicates. The resultant culture plates were then incubated at 25 OC and left for daily observation. The test fungi that grew on each medium were observed for their abilities to emulsify the refined petroleum or its products (diesel and kerosene). Control experiments were also set up using Malt Extract Agar medium. Brevilegnia indica grew on 1% petroleum and diesel growth media but did not grow on kerosene medium. Protoachyla paradoxa grew minimally on diesel medium at 1% and 2% compositions. Saprolegnia bhargavi did not grow on the petroleum agar medium or petroleum products media. Thraustotheca clavata grew minimally on the kerosene medium at both 1% and 2% compositions. The four test fungi emulsified the diesel agar medium at both 1% and 2% compositions. Brevilegnia indica emulsified only petrol at 1% while Non of the isolates emulsified the kerosene medium at both 1% and 2% compositions. Oil globules were also observed in the vegetative hyphae of the test fungi which grew on the experimental culture media. This means that such fungi either degraded or accumulated the petrol or petroleum products in their systems.
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7

Singh, C. S. "A study of fungi on droppings of certain birds." Acta Mycologica 19, no. 2 (August 20, 2014): 197–205. http://dx.doi.org/10.5586/am.1983.019.

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Droppings of fowl, owl, parrot, pigeon and sparrow were asepticaly collected in sterilized bottles from different places at Gorakhpur, 54 fungi were isolated. The number of fungi was more in the pigeon showing considerable decrease in the fowl and the sparrow. In the parrot and the owl, however. the fungi were egual in number. The number of <i>Phycomycetes</i> was almost the same on droppings of all birds, from parrot only one species could be isolated. A larger number of <i>Ascomyteces</i> was recorded from fowl, less from pigeon and owl and the least (two each) on sparrow and parrot droppings. The <i>Basidiomycetes<i>, represented by two species only, were recorded on owl and pigeon droppings. Pigeon droppings yielded the largest number of <i>Deuteromycetes</i>. They were egual in numbers on owl and parrot while on fowl and sparrow their number was comparatively less. <i>Mycelia sterilia</i>, though poor in their numbers, were recorded on all the bird droppings excepting owl.
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8

Kanaujia, R. S. "Studies on certain aspects of root surface fungi II. Succession of fungi on decomposing Pennisetum typhoides (Burm. f.) Stapf et Hubb." Acta Mycologica 17, no. 1-2 (August 20, 2014): 27–40. http://dx.doi.org/10.5586/am.1981.002.

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Sixty seven fungal species from the nonrhizosphere (NR), rhizopshere (RS) and cortical (RPC) and steler (RPS) parts of rhizopshere of crown (RC), middle (RM) and distal (RD) regions of decomposing roots of <i>Pennisetum typhoides</i> Burm. f.) Stapf. et Hubb. were isolated during December to June, 1970-72. The number of fungal species gradually decreased from NR—RPS in horizontal and RC—RD in vertical regions. The fungal population was always higher in RS of different depths than in corresponding NR regions. The amino acids and sugar components of the roots showed a direct correlation with the fungal population. The amount of cellulose, hemicellulose and lignin components of roots gradually decreased from December to June. Root-washing collected from RC, RM and RD regions exhibited the presence of vanillic acid and 3-4 dihydroxy benzoic acid during March and April. It also exerted an adverse effect on the 10 rhizosphere fungi during this period. pH and moisture contents showed a poor correlation with the fungal population cxcept during summer months. <i>Phycomycetes</i> with species of <i>Deuteromycetes</i> obtained in the first phase were followed by<i> Deuteromycetes</i> along with few <i>Ascomycetes</i> in the second phase. In the last Deuteromycetes with some slerile mycelia were isolated. Aspergilli were the most numerous throughout the present investigation.
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9

Kanaujia, R. S. "Studies on certain aspects of root surface fungi III. Effect of harvesting." Acta Mycologica 18, no. 1 (August 20, 2014): 45–60. http://dx.doi.org/10.5586/am.1982.002.

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The effect of harvesting oi above ground part on the succession of fungi on crown, middle and distal regions of decomposing roots of <i>Pennisetum typhoides</i> (Burm f.) Stapf et Hubb. was investigated for a period of six months (January to June, 1971). The number of fungal species was generally lower in harvested plants than in standing plants whereas the fungal population exhibited the reverse trend. The amino acids, sugars. cellulose, hemicellulose and lignin components of the roots in different vertical regions were assessed and a correlation was established between the above factors and fungal succession in the two sets of plants. It was also noticed that roots in all the depths decomposed earlier than the set where aerial parts were left intact and no phytotoxins were detected in the harvested set against standing one where vanilic acid and 3-4 dihydroxy benzoic acids were chromatogrammed during Maroh and April. The pH and moisture content exhibited a poor correlation with the fungal succession. <i>Deuteromycetes</i> along with few <i>Phycomycetes</i> in the beginning, <i>Deuteromycetes</i> with few <i>Ascomycetes</i> in the second phase and <i>Deuteromycetes</i> along with <i>Mycelia sterilia</i> in the third phase were isolated.
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10

Baird, R. E., T. B. Brenneman, D. K. Bell, D. R. Sumner, N. A. Minton, B. G. Mullinix, and A. B. Peery. "Influence of crop rotation and flutolanil on the diversity of fungi on peanut shells." Phytoprotection 76, no. 3 (April 12, 2005): 101–13. http://dx.doi.org/10.7202/706089ar.

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Soilborne pathogens of peanut (Arachis hypogaea) often survive or over winter on peanut shells left on or in the soil. The effects of different crop rotations on the peanut shell mycobiota were compared in three field trials in 1992 and repeated in 1993. In two of the trials, plots grown continuously to peanut were either treated with the fungicide flutolanil or left untreated. Rotation practices varied with location and the crops in rotation with peanut were cotton (Gossypium hirsutum), rye (Secale cereale), bahiagrass (Paspalum notatum), and corn (Zea mays). In total, 31 different gene of fungi were isolated from shells. Over two-thirds of the isolates were Deuteromycotina, followed in frequency by Basidiomycetes, Ascomycetes, and Phycomycetes. The rotation practices affected the incidence of several pathogenic fungi (e.g., Fusarium spp., and Lasiodiplodia theobromae) in the peanut shells, but the results were not consistent across trials or years. Bahiagrass or corn grown in rotation with peanut reduced the frequency of Rhizoctonia solani AG-4 in shells. Rhizoctonia solani AG-2-2 and Macrophomina phaseolina were isolated at a greater level in the bahiagrass-peanut rotation. Where peanut was rotated with cotton with or without a winter cover crop of rye, plots containing rye had lower isolation rates for total fungi in 1992 than those without rye, but there was no différence in 1993. Also, several species of Fusarium were isolated more frequently from shells from plots rotated with rye. Flutolanil significantly lowered isolation rates of several fungi, including R. solani AG-4, in one trial in 1992. Total fungi isolated (all fungal isolates combined) in the flutolanil-treated plots were greater in 1993, but not in 1992 at one site. Isolation rates for the different gene and species of fungi differed on the two media utilized (malt-extract agar and malt-salt agar). In particular, Alternaria alternata and species of Fusarium were isolated more frequently on malt-salt agar, whereas L theobromae, R. solani AG-4 and Trichoderma spp. were more common on malt-extract agar.
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Dissertations / Theses on the topic "Phycomycetes. Fungi"

1

Brey, Paul Timothy. "Pathologie comparee de l'infection fongique d'insectes aeriens (pucerons) et aquatiques (larves de moustiques) par deux phycomycetes." Paris 6, 1987. http://www.theses.fr/1987PA066283.

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Morphologie et ultrastructure de la spore infectante (conidie ou zoospore) des 2 entomopathogenes. Production des tubes germinatifs de c. Obscurus stimulee par lipides epicuticulaires et miellat du puceron. Suivi des differentes etapes d'infection de l'hote par les pathogenes (germination spores, penetration tegument, developpement dans hemococle, reactions de defense); mise en evidence des differences, en particulier au niveau de la realisation et de l'encapsulation. Dans le couple l. Giganteum - a. Aegypti,des cellules sanguines vivantes sont impliques dans l'encapsulation tumorale. Modalites de la reproduction sexuee de l. Giganteum (differenciation morphologique des cellules reproductrices, "copulation" entre gametes)
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2

Grondin, Pascal. "Purification et caracterisation d'une proteine de transfert de phospholipides chez un champignon filamenteux : mucor mucedo." Toulouse 3, 1988. http://www.theses.fr/1988TOU30015.

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3

BERTHALON, ETIENNE. "Regulation de la voie de biosynthese de l'ethylene dans les cellules de tabac en culture sous l'effet d'eliciteurs fongiques." Toulouse 3, 1986. http://www.theses.fr/1986TOU30236.

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Sous l'effet de glycopeptides extraits de parois du mycelium de (phytophtora parantica nicotianae) et appeles eliciteurs, les cellules de tabac en culture synthetisent de grandes quantites d'ethylene. L'etude de l'hormone aux differentes etapes de sa voie de biosynthese montre une stimulation rapide et transitoire de l'activite acc-synthase, vraisemblablement par synthese de novo de l'enzyme, entrainant l'augmentation du taux intracellulaire d'acc sans pour autant modifier celui du n-malonyl-acc. (. . . )
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