تقدير فعالية إنزيم (nitrate reductase) باستخدام دقائق الفضة النانوية المخلقة حيويًا من الفطرين (Pleurotus pulmonarius) و(Pleurotus ostreatus var ostreatus) وتأثيرها على الفطر (Pythium aphanidermatum)

2021 ◽  
Vol 2021 (1) ◽  
Author(s):  
سيف سعدالله حسن ◽  
عبد الله عبد الكريم حسن
Keyword(s):  
Nitrate Reductase ◽  
Pleurotus Ostreatus ◽  
Pythium Aphanidermatum ◽  
Pleurotus Pulmonarius

Determinación de la toxicidad de Pleurotus ostreatus, Pleurotus pulmonarius y Paxillus involutus sobre Artemia salina

2008 ◽  
Vol 25 (3) ◽  
pp. 186-187 ◽  
Author(s):  
Ivonne J. Nieto R ◽  
Ahmed M. Salama ◽  
Jorge E. Cataño P ◽  
Carolina Chegwin A
Keyword(s):  
Pleurotus Ostreatus ◽  
Artemia Salina ◽  
Paxillus Involutus ◽  
Pleurotus Pulmonarius

Abilities of Tectona grandis and Celtis zenkeri (Hardwood) Sawdust as Substrates of Pleurotus Species and Their Indigenous Fungi

2019 ◽  
pp. 1-10
Author(s):  
I. S. Olatunji ◽  
A. A. Sobowale ◽  
C. O. Adenipekun
Keyword(s):  
Pleurotus Ostreatus ◽  
Growth Parameters ◽  
Effective Means ◽  
Tectona Grandis ◽  
Nutritional Composition ◽  
Biological Efficiency ◽  
Pleurotus Pulmonarius ◽  
Pleurotus Species ◽  
Pure Cultures ◽  
To Receive

Mushroom cultivation has continued to receive growing attention because of its nutritional and medicinal values. However, this study examined the effect of hardwood sawdust on the growth of Pleurotus ostreatus and Pleurotus pulmonarius were investigated. Relationship between fungal incidence of the substrates (sawdust) and that of the mushroom were examined. Both Pleurotus ostreatus and Pleurotus pulmonarius were inoculated on fermented and unfermented sawdust of Tectonal grandis and Celtis zenkeri. The fruiting bodies of the mushrooms were harvested and the growth parameters and biological efficiency was recorded. The isolated resident fungi were identified after obtaining pure cultures. The collected data were subjected to analysis (ANOVA) using Generalized Linear Model Procedure (GLM) of Statistical Analysis software (SAS). Means were separated using Duncan’s Multiple Range Test (DMRT) at p ≤ 0.05. Some of the growth parameters of P. ostreatus were significantly (p ≤ 0.05) better than that of P. pulmonarius. Tectona grandis and Celtis zenkeri sawdust had significant (p ≤ 0.05) impact on different growth parameters of the two mushrooms. Fermentation or non-fermentation of the substrates (sawdust) had no significant (p ≤ 0.05) impact on growth parameters of the mushrooms. Growth parameters of the two mushrooms were significantly better in 0% additive (p ≤ 0.05) than in the other additive concentrations. Five fungi were identified as indigenous fungi of the unfermented sawdust which did not significantly differ from those of the fermented sawdust and mushrooms. Nutritional composition of the mushrooms that grew on fermented and unfermented sawdust were good and comparable. The mushrooms were rich in protein, fibre, ash, moisture, fat and carbohydrate. Cultivation of mushrooms on hardwood sawdust is thus an effective means of managing such waste.

Removal of Bisphenol A by Laccase Rich Extracts from Pleurotus ostreatus and Pleurotus pulmonarius: Evaluation of Degradation Products and Pathways

2017 ◽  
Author(s):  
Emanuelle Neiverth Freitas ◽  
Gisele A. Bubna ◽  
Tatiane Brugnari ◽  
Alex Graça Contato ◽  
Thalita G. Rauen ◽  
...  
Keyword(s):  
Bisphenol A ◽  
Pleurotus Ostreatus ◽  
Degradation Products ◽  
Pleurotus Pulmonarius

scholarly journals Introduction of mitochondrial DNA from Pleurotus ostreatus into Pleurotus pulmonarius by interspecific protoplast fusion

2007 ◽  
Vol 53 (4) ◽  
pp. 339-343 ◽  
Author(s):  
Masaki Fukuda ◽  
Masayoshi Wakayama ◽  
Masayuki Uchida ◽  
Yukitaka Fukumasa-Nakai ◽  
Teruyuki Matsumoto
Keyword(s):  
Mitochondrial Dna ◽  
Protoplast Fusion ◽  
Pleurotus Ostreatus ◽  
Pleurotus Pulmonarius

scholarly journals Influence of substrates on the nutritional quality of Pleurotus pulmonarius and Pleurotus ostreatus

2017 ◽  
Vol 46 (1) ◽  
pp. 67 ◽  
Author(s):  
T. Garuba ◽  
K. A. Abdukkareem ◽  
I. A. Ibrahim ◽  
O. I. Oyebamiji ◽  
O. A. Shoyooye ◽  
...  
Keyword(s):  
Pleurotus Ostreatus ◽  
Nutritional Quality ◽  
Pleurotus Pulmonarius

scholarly journals Nematophagous Pleurotus Species Consume Some Nematode Species but Are Themselves Consumed by Others

Forests ◽  
2019 ◽  
Vol 10 (5) ◽  
pp. 404 ◽  
Author(s):  
Maria Marlin ◽  
Avery Wolf ◽  
Maryam Alomran ◽  
Lynn Carta ◽  
George Newcombe
Keyword(s):  
Biological Control ◽  
Pleurotus Ostreatus ◽  
Nematode Species ◽  
Nematophagous Fungi ◽  
Specific Interactions ◽  
Pleurotus Pulmonarius ◽  
Pleurotus Species ◽  
Species Specific

Pleurotus species are said to be nematophagous because they paralyze and consume some bacterial-feeding nematodes. It has never been clear whether that means all nematodes. Here we tested thirteen bacterial-feeding nematode species: seven of family Rhabditidae, three of Cephalobidae (one with three populations), two of Panagrolaimidae, and one of Diplogastridae. Nematodes interacted on water agar with toxin-producing isolates of Pleurotus pulmonarius (Fr.) Quél. and Pleurotus ostreatus (Jacq.) P. Kumm. Of the thirteen species, nine were susceptible to P. pulmonarius (all individuals were paralyzed) but four (four populations of two cephalobid species, one rhabditid, and one panagrolaimid) survived exposure to P. pulmonarius. The resistant four species not only survived but multiplied their numbers by consuming P. pulmonarius. A similar trend was observed with nematodes interacting with P. ostreatus; however, six species were resistant to P. ostreatus. Interestingly, four of these six species were susceptible to P. pulmonarius, and interactions overall were differential. Pleurotus species are nematophagous toward some nematodes but are also consumed by others in three of the four families assayed. Species-specific interactions point to the need for studies of the host ranges of both “nematophagous” fungi and “fungivorous” nematodes, especially if they are to be used for biological control.

Intersterility groups in the Pleurotus ostreatus complex from the continental United States and adjacent Canada

1993 ◽  
Vol 71 (1) ◽  
pp. 113-128 ◽  
Author(s):  
Rytas Vilgalys ◽  
Ajiri Smith ◽  
Bao Lin Sun ◽  
Orson K. Miller Jr.
Keyword(s):  
United States ◽  
North America ◽  
Pleurotus Ostreatus ◽  
The United States ◽  
Oyster Mushroom ◽  
Single Type ◽  
Single Spore ◽  
Pleurotus Pulmonarius ◽  
Mushroom Species ◽  
Mating Compatibility

Mating compatibility studies using strains from 170 North American collections in the Pleurotus ostreatus complex reveal three intersterile species of oyster mushrooms in the United States and Canada. Initial pairings among monokaryotic single spore isolates were performed to determine the number of intersterile groups. Dikaryon – monokaryon pairings using monokaryotic tester strains were then used to screen additional dikaryotic cultures of the oyster mushroom. Pairings of tester strains from Europe indicate that two European taxa, P. ostreatus and Pleurotus pulmonarius, are also widely distributed in North America. A third intersterility group occurring primarily on aspen in North America was intersterile with all other known species, and is described as a new species, Pleurotus populinus. All three species differ from one another in their morphology, growth characteristics, geographic distributions, and host ranges. Other than mating compatibility tests, however, no single type of character was found to be completely reliable for distinguishing these species in the field or under laboratory conditions. Furthermore, morphological characters used to distinguish European species of the P. ostreatus complex were not useful when applied to corresponding mating-compatible groups from North America. Key words: oyster mushroom, species concept, mating incompatibility.

scholarly journals Evaluación del crecimiento y compatibilidad de hongos de la podredumbre blanca

2015 ◽  
Vol 5 (2) ◽  
Author(s):  
J. A. Rojas Barreto ◽  
A. Hormaza Anaguano
Keyword(s):  
Pleurotus Ostreatus ◽  
Trametes Versicolor ◽  
Pleurotus Pulmonarius

<p>El uso de hongos de la podredumbre blanca (HPB) ha generado un gran interés debido a su potencial<br />enzimático, permitiendo a estos organismos degradar una amplia gama de compuestos xenobióticos. Los<br />consorcios fúngicos pueden mejorar dichos procesos de degradación con respecto a los monocultivos y para<br />su asociación debe establecerse previamente su compatibilidad. En este trabajo se evaluó la influencia de dos condiciones nutricionales sobre el crecimiento y la compatibilidad entre tres especies de los HPB, Trametes versicolor, Pleurotus ostreatus y Pleurotus pulmonarius, para su futura utilización como consorcios en el tratamiento de contaminantes orgánicos. Discos de dos especies de los hongos evaluados crecieron por siete días sobre los medios de cultivo agar papa dextrosa (PDA) y agar salvado de trigo (AST). Se evaluaron tres tratamientos, T1: T. versicolor vs P. ostreatus, T2: T. versicolor vs P. pulmonarius y T3: P. ostreatus vs P. pulmonarius con sus respectivos controles (crecimiento libre). El porcentaje de inhibición micelial obtenido (&lt; 70%) mostró compatibilidad entre los hongos evaluados en los distintos tratamientos bajo las condiciones nutricionales utilizadas. Con respecto a la tasa de crecimiento, se observó que el medio AST favoreció un rápido desarrollo para los tres hongos en comparación con PDA.</p>

Sign in / Sign up

Export Citation Format

Share Document