Alternaria tenuis

Less is known about the pathways of PAH degradation by co-cultures than about the pathways of degradation by individual bacteria and fungi (Juhasz Naidu, 2000). Four bacteria Pseudomonas aeruginosa, Pseudomonas cepacia (=Burkholderia cepacia). Pseudomonas sp. and Ralstonia pickettii) and four fungi (Alternaria tenuis, Aspergillus terreus, Trichoderma... 

According to the investigations of Fattinger (1950), the fungicidal action of copper is enhanced by cadmium, cobalt, nickel and zinc compounds in Alternaria tenuis and Trichothecium roseum cultures. Zinc sulfate (ZnSO 7HjO) was tried in place of copper sulfate its effect however was inferior to that of the copper compound. Nevertheless, it is still used against rosette disease a physiological disease caused by zinc deficiency. 

Tenuazonic Acid.— Tenuazonic acid (208) is generated in the fungus Alternaria tenuis from L-isoleucine and acetate. Recent experiments show that butyric acid is a specific precursor it is presumably implicated via acetoacetic acid. The likely mode of linking of acetoacetate and L-isoleucine was indicated by the isolation of (211) from the cultures. 

One of the most toxic components among Alternaria my cotoxins is tenuazonic acid (741) (475) (Fig. 11.4), a tetramic acid derivative, which was first isolated from the culture filtrates of Alternaria tenuis in 1957 by Rosett et al. (476) and shows potent biological activity (475). Tenuazonic acid is biosynthesized from L-fro-leucine and its structure was revealed four years later by Sticicings and his group (477). 

Raistrick H, Stickings EC, Thomas R (1953) Studies in the Biochemistry of Microorganisms. 90. Altemariol and Altemariol Monomethyl Ether, Metabolic Products of Alternaria tenuis. Biochem J 55 421... 

Pero RW, Owens RG, Dale SW, Harvan D (1971) Isolation and Identification of a New Toxin, Altenuene, from the Fungus Alternaria tenuis. Biochim Biophys Acta 230 170... 

Peptides Tentoxin (D 23) Product of Alternaria tenuis, causing chlorosis in cotton plants... 

Isol. from Alternaria tenuis and A. mali and Stemphylium botryosum. Phototoxin. Active against gram-positive bacteria. Orange cryst. solid. Mp 245-250° (300° dec.). [a]j3 -h636° (c, 0.001 in CHCI3). 

Chaetom. globosum Penicillium brevicaule Sclerophoma pityophila Trichoderma viride Cladosporium herbarum Alternaria tenuis Aureobasidium pullulans... 

We attempted to attain drying properties by applying a polyphenol oxidase from alternaria tenuis to non-drying sap which resulted from deactivation of the laccase involved in the sap, and found that the drying properties of the sap were improved satifactorily. From our studies, improvement of the thermal reisistance of the polyphenol oxidase would provide for wider application of the polyphenol oxidase and would contribute to expediting the drying of the various... 

Tentoxin 34 Alternaria tenuis [105] Induces chlorosis in many dicotyledone plants, except cereals, tomatoes, and members of the species Cmciferae and Graminaceae [106] Rich et al. [1071... 

Akanthomyces Alternaria tenuis Aphanocladium album Articulospora tetracladia Arthrobotrys oligospora... 

Pero, R.W., D. Harvon, and M.-C. Blois Isolation of the Toxin, Altenuisol, from the Fungus Alternaria tenuis Auct. Tetrahedron Letters 1973, 945. 

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