Survey of nematophagous fungi in South Africa : research communication

Durand, D.T.; Boshoff, H.M.; Michael, L.M.; Krecek, R.C.

doi:10.4102/ojvr.v72i2.217

Cited by 14 publications

(6 citation statements)

References 7 publications

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“…Another possible reason may be related to its high saprophytic ability and the increased agricultural intensification caused by soil disturbance and the addition of fertilizers. Similar results have been reported in South Africa [32,33], Kenya [34,35], China [14,[36][37][38], and Oman [39]. The greatest diversity of nematophagous fungi species was recorded in midland (Bishoftu).…”

Section: Discussionsupporting

confidence: 85%

Isolation of nematophagous fungi from soil samples collected from three different agro-ecologies of Ethiopia

Berhanu¹,

Waktole

Mamo

et al. 2022

BMC Microbiol

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Background Several species of nematophagous fungi exist in nature that can capture and kill nematodes as natural predators of soil-dwelling worms. These are important in agriculture and animal husbandry as biological control agents. The diversity of nematophagous fungi found from soil had not been studied in Ethiopia. Objective This study aimed to isolate Nematophagous Fungi from Soil Samples Collected From three Different Agro-Ecologies of Ethiopia. Methods Cross-sectional study was conducted and samples were collected from three different agro-climatic zones of Ethiopia; Debre-Berhan (highland), Bishoftu (mid-altitude), and Awash (lowland). Twenty-seven soil samples were randomly taken from each of the three different agro-ecological climates (9 from each agro-ecological climatic zone). For each study site, samples were collected from the soil of decomposed animal feces/dung, agricultural/farmlands, and forest lands in triplicates. Results The present study disclosed that nematophagous fungi were widespread from the study area. A total of 33 species of nematophagous fungi belonging to four genera, Arthrobotryes, Paecilomyces, Monacrosporium, and Harposporium were identified. Arthrobotrys were the most commonly isolated genera followed by Paecilomyces. The six identified species were Arthrobotrys oligospora, Paecilomyces lilacinus, Arthrobotryes dactyloides, Monacosporum eudermatum, Harposporium helicoides, and Monacosporum cionopagum. Conclusion This study indicated that Arthrobothryes oligospora was the most common species in Bishoftu and Awash whereas. In Debre-Berhan, Paecilomyces lilacinus was the most prevalent species. Monacosporum cionapagum was not isolated from dung soil and agricultural soil whereas Harposporium helicoides and Arthrobothryes dactyloides were not found from dung and forest soil respectively.

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Section: Discussionsupporting

confidence: 85%

Isolation of nematophagous fungi from soil samples collected from three different agro-ecologies of Ethiopia

Berhanu¹,

Waktole

Mamo

et al. 2022

BMC Microbiol

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“…However, a nematode-killing fungus, Duddingtonia flagrans, discovered in New Zealand (Skipp et al 2002), showed a trapping efficiency rate of 78% and activity for up to 90 days on pasture, providing a viable alternative to reduce animal mortality from nematode infections (Waghorn et al 2003). Surveys in neighbouring South Africa have shown the presence of local strains of D. flagrans (Durand et al 2005). Given the limited genetic variation between isolates from different parts of the world (Faedo 2001), a survey of Zimbabwean local strains would address any concerns regarding importing a foreign fungus.…”

Section: Pasture Management Biological Control and Nutrient Supplementationmentioning

confidence: 99%

A review of the epidemiology and control of gastrointestinal nematode infections in cattle in Zimbabwe

Pfukenyi

Mukaratirwa

2013

Onderstepoort J Vet Res

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In this review, the main gastrointestinal nematodes infecting cattle in Zimbabwe and the epidemiological factors influencing their occurrence are reviewed and discussed. Nineteen gastrointestinal nematode species that belong to seven families have been found to occur in cattle in Zimbabwe. The main genera reported to date are Cooperia, Haemonchus, Trichostrongylus and Oesophagostomum and the dominant species are Cooperia pectinata, Cooperia punctata, Haemonchus placei and Trichostrongylus axei. The mixed infection by several species from the genera is the cause of parasitic gastroenteritis in cattle in Zimbabwe. Production and husbandry practices, season, host age and environment are considered to be the main factors that influence gastrointestinal nematode infection in cattle. The geographical distribution of the gastrointestinal nematodes is also reviewed in relation to the climatic conditions of the country. Various control options are discussed and how they are applicable to the Zimbabwean situation. Based on reports and existing data on the epidemiological features of the gastrointestinal nematode infection in cattle, practical control measures are critically reviewed and recommendations are made for a national control programme.

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“…Studies performed on different countries demonstrated the presence of nematophagous fungi in fecal samples from domestic animal species [ 4 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ].…”

Section: Introductionmentioning

confidence: 99%

Isolation of Ovicidal Fungi from Fecal Samples of Captive Animals Maintained in a Zoological Park

Hernández

Vázquez‐Ruiz

Cazapal-Monteiro

et al. 2017

JoF

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There are certain saprophytic fungi in the soil able to develop an antagonistic effect against eggs of parasites. Some of these fungal species are ingested by animals during grazing, and survive in their feces after passing through the digestive tract. To identify and isolate ovicidal fungi in the feces of wild captive animals, a total of 60 fecal samples were taken from different wild animals kept captive in the Marcelle Natureza Zoological Park (Lugo, Spain). After the serial culture of the feces onto Petri dishes with different media, their parasicitide activity was assayed against eggs of trematodes (Calicophoron daubneyi) and ascarids (Parascaris equorum). Seven fungal genera were identified in the feces. Isolates from Fusarium, Lecanicillium, Mucor, Trichoderma, and Verticillium showed an ovicidal effect classified as type 3, because of their ability to adhere to the eggshell, penetrate, and damage permanently the inner embryo. Penicillium and Gliocladium developed a type 1 effect (hyphae attach to the eggshell but morphological damage was not provoked). These results provide very interesting and useful information about fungi susceptible for being used in biological control procedures against parasites.

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Survey of nematophagous fungi in South Africa : research communication

Cited by 14 publications

References 7 publications

Isolation of nematophagous fungi from soil samples collected from three different agro-ecologies of Ethiopia

Isolation of nematophagous fungi from soil samples collected from three different agro-ecologies of Ethiopia

A review of the epidemiology and control of gastrointestinal nematode infections in cattle in Zimbabwe

Isolation of Ovicidal Fungi from Fecal Samples of Captive Animals Maintained in a Zoological Park

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