26 Result(s)

Article

Comparative pathologic changes in broiler chicks on feed amendedwith Fusarium proliferatum culture material or purified fumonisinB₁ and moniliformin*

Feed amended with autoclaved culture material (CM) of Fusarium proliferatum containing fumonisin B₁ (FB₁) (61–546 ppm), fumonisin B₂ (FB₂) (14–98 ppm) and moniliformin (66–367 ppm) was given to 228 male chicks in...

T. Javed, R. M. Bunte, M. A. Dombrink-Kurtzman, J. L. Richard… in Mycopathologia (2005)

Article

Mycotoxin Production by Fusarium proliferatum isolates from rice with Fusarium sheath rot disease

Twenty samples of unpolished (rough) rice collected in Arkansas and Texas during the 1995 harvesting season from fields exhibiting Fusarium sheath rot disease or panicle blight were previously shown to include 8 ...

H. K. Abbas, R. D. Cartwright, W. **e, C. J. Mirocha, J. L. Richard… in Mycopathologia (1999)

Article

Natural occurrence of gliotoxin in turkeys infected with Aspergillus fumigatus, Fresenius

Thirteen samples of infected turkey lung tissue from cases of ‘airsacculitis’ were collected either at the processing plant or from a local turkey farm and subjected to cultural and gliotoxin analysis. Aspergillu...

J. L. Richard, T. J. Dvorak, P. F. Ross in Mycopathologia (1996)

Article

Absence of detectable fumonisins in the milk of cows fed Fusarium proliferatun (Matsushima) Nirenberg culture material

Fumonisins, a group of mycotoxins produced by the ubiquitous fungi Fusarium moniliforme and F. proliferatum, were first identified about eight years ago. They have been shown to cause a variety of health effects ...

J. L. Richard, G. Meerdink, C. M. Maragos, M. Tumbleson, G. Bordson… in Mycopathologia (1996)

Article

Preharvest aflatoxin contamination of maize inoculated withAspergillus flavus andFusarium moniliforme

A two-year factorial experiment was utilized to test plants field-inoculated singly and in combination withAspergillus flavus andFusarium moniliforme. Pinbar inoculations were made through the husks with conidial...

N. W. Widstrom, W. W. McMillian, D. M. Wilson, J. L. Richard, N. Zummo… in Mycopathologia (1994)

Article

Embryopathic and embryocidal effects of purified fumonisin B₁ orFusarium proliferatum culture material extract on chicken embryos

One hundred eight fertile eggs (Columbia × New Hampshire) were assigned to 10 groups of 10 eggs each (2 control groups had 14 eggs each). Five groups of eggs were inoculated on day 1 of incubation, while the o...

T. Javed, J. L. Richard, G. A. Bennett, M. A. Dombrink-Kurtzman… in Mycopathologia (1993)

Article

Mortality in broiler chicks on feed amended withFusarium proliferatum culture material or with purified fumonisin B₁ and moniliformin

Two hundred twenty-eight male chicks (Columbia × New Hampshire) were given feed amended with autoclaved culture material (CM) ofFusarium proliferatum Containing fumonisin B₁ (FB₁), fumonisin B₂ (FB₂) and monilifo...

T. Javed, G. A. Bennett, J. L. Richard, M. A. Dombrink-Kurtzman… in Mycopathologia (1993)

Article

Assessment of aflatoxin and cyclopiazonic acid production by Aspergillus flavus isolates from Hungary

Thirty-two isolates of Aspergillus flavus were obtained from various sources in Hungary. All isolates were morphologically identified as A. flavus and three atypical variants were confirmed as A. flavus by compar...

J. L. Richard, Deepak Bhatnagar, S. Peterson, G. Sandor in Mycopathologia (1992)

Article

Introduction

R. T. Riley, J. L. Richard in Mycopathologia (1992)

Article

Concentrations of fumonisin B₁ in feeds associated with animal health problems

Ninety-eight samples of feeds associated with 44 cases of equine leukoencephalomalacia (ELEM) and 83 samples of feed associated with 42 cases of a porcine pulmonary edema syndrome (PPE) were analyzed for fumon...

P. F. Ross, L. G. Rice, R. D. Plattner, G. D. Osweiler, T. M. Wilson… in Mycopathologia (1991)

Chapter

Combined Cyclopiazonic Acid and Aflatoxin B₁ Effects on Serum Bacteriostasis, Complement Activity, Glycocholic Acid, and Enzymes and Histopathologic Changes in Guinea Pigs

Cyclopiazonic acid is an indole-tetramic acid and produced by several species of fungi such as Penicillum cyclopium, P. patulum, P. viridicatum, P. puberulum, P. crustpsum, P. camembertii, Aspergillus flavus, A. ...

J. L. Richard, W. M. Peden, J. R. Thurston in Microbial Toxins in Foods and Feeds (1990)

Article

Use of thin layer chromatography for detection and high performance liquid chromatography for quantitating gliotoxin from rice cultures ofAspergillus fumigatus Fresenius

Gliotoxin, a mycotoxin with antimicrobial and immunosuppressive capabilities, is produced by several genera of fungi including the pathogenic fungusAspergillus fumigatus. The ability of selected isolates ofA. fum...

J. L. Richard, R. L. Lyon, R. E. Fichtner, P. F. Ross in Mycopathologia (1989)

Article

Effects of pre-treatment with aflatoxin on a second aflatoxin treatment in guinea pigs

Two-hundred guinea pigs, weighing approximately 500 grams each, were placed in 8 groups, 4 of which received 20 μg/kg/day of partially purified aflatoxin for 7 days, followed by a 7 day recovery period. Paired...

W. M. Peden, J. L. Richard, J. R. Thurston, J. L. Sacks in Mycopathologia (1987)

Article

Electron microscopic examination of ribosome preparations from germinated spores of Aspergillus fumigatus

Ribosomes were isolated from germinated spores (germlings) of Aspergillus fumigatus and electron microscopy was used to determine qualitatively the extent of cellular contamination. After differential centrifugat...

K. A. Brogden, M. Phillips, J. R. Thurston, J. L. Richard in Mycopathologia (1984)

Article

Isolation of 80S ribosomes from spores of Aspergillus fumigatus and their antigenicity in rabbits

Ribosomes were obtained from spores of Aspergillus fumigatus by mechanical disruption and differential centrifugation. The initial preparation (crude ribosomes) contained spore components which appeared to be bro...

M. Phillips, J. R. Thurston, K. A. Brogden, J. L. Richard in Mycopathologia (1982)

Article

Experimental intoxication of guinea pigs with multiple doses of the mycotoxin, penitrem A

Young female guinea pigs were fed various doses of penitrem A every 3 days for 3 weeks. Guinea pigs fed penitrem A had muscle tremors, seizures, and ataxia, and total weight gains were less than those of contr...

L. H. Arp, J. L. Richard in Mycopathologia (1981)

Article

Moldy walnut toxicosis in a dog, caused by the mycotoxin, penitrem A

Penitrem A was found in moldy walnuts that were involved in an intoxication of a dog in California.Penicillium crustosum was isolated from the walnuts and penitrem A was isolated from extracts of the mycelium of ...

J. L. Richard, P. Bacchetti, L. H. Arp in Mycopathologia (1981)

Article

Natural occurrence of the mycotoxin penitrem a in moldy cream cheese

The occurrence of the mycotoxin penitrem A in refrigerated cream cheese that was involved in the intoxication of two dogs is described. Penitrem A and the fungus Penicillium crustosum were isolated from the cream...

J. L. Richard, L. H. Arp in Mycopathologia (1979)

Article

Multiple toxin production by an isolate of Aspergillus flavus

Three toxins were recovered from rice and wheat cultures of an isolate of Aspergillus flavus. The toxins were present simultaneously in the cultures after one or two weeks incubation and were identified as aflato...

J. L. Richard, R. T. Gallagher in Mycopathologia (1979)