The Effect of Uncoupling Agents on the Multiplication of Tomato‐Aucuba Mosaic Virus in Tobacco Leaves

Merrett, M. J.

doi:10.1111/j.1399-3054.1962.tb08001.x

Cited by 4 publications

(2 citation statements)

References 8 publications

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“…The activities of catalase (DEKOCK et al 1960), peroxidase (MUDD et al 1959, ascorbic acid oxidase (HAMPTON 1963), polyphenol oxidase (KRUPKA 1959) and cytodirome oxidase (MERRETT 1962b) were estimated at 5, 10 and 15 days after inoculation.…”

Section: Methodsmentioning

confidence: 99%

“…The percentage of inhibition was calculated from the difference in oxygen uptake before and after the addition of the inhibitor. The activity of succinic dehydrogenase was assayed by the manometric method (SLATER 1949).The activities of catalase (DEKOCK et al 1960), peroxidase (MUDD et al 1959, ascorbic acid oxidase (HAMPTON 1963), polyphenol oxidase (KRUPKA 1959) and cytodirome oxidase (MERRETT 1962b) were estimated at 5, 10 and 15 days after inoculation.…”

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confidence: 99%

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Inhibition of Cucumber Mosaic Virus by Blasticidin S

Jaganathan

Ramakrishnan

1974

Journal of Phytopathology

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Among the antiviral substances reported so far, antibiotics occupy an important position. Recently it has been shown that blasticidin S, an antifungal antibiotic, inhibits multiplication of tobacco mosaic virus (HIRAI and SHIMO-MURA 1965, HIRAI et al. 1966, brome grass mosaic virus (KUMMERT and SEMAL 1971) and cucumber mosaic virus (JAGANATHAN and RAMAKRISHNAN 1972). Virus infection alters the host metabolism and induces major changes in the physiological processes of the host plant. Since blasticidin S inhibits virus multiplication whidi is closely linked with host plant respiration this investigation was taken up to study the effect of this antibiotic on the respiratory metabolism of the host plant. Materials and MethodsSattur Samba diilli plants {Capsicum annuum L.) grown under insect-protected conditions were used as test plants. The antibiotic, blasticidin S (BcS) (0.5 ppm), was sprayed thrice at an interval of 24 hours in the control and virus-inoculated plants. The bioAemical changes were studied at an interval of 5 days during a 15-day period in chilli plants subjected to cucumber mosaic virus infection, BcS treatment and a combination of the two.The rate of respiration of chilli leaves was measured gasometrically on alternate days up to 16th day of inoculation by using Warburg's respirometer (UMBREIT et al. 1964). For studies with respiratory inhibitors leaf discs were taken from healthy and inoculated plants and the respiration was studied for 30 minutes by the usual manner and then the respiratory inhibitor in the side arm was tilted into the main diamber of the flask and the experiment was continued for 2 hours. The percentage of inhibition was calculated from the difference in oxygen uptake before and after the addition of the inhibitor. The activity of succinic dehydrogenase was assayed by the manometric method (SLATER 1949).The activities of catalase (DEKOCK et al. 1960), peroxidase (MUDD et al. 1959, ascorbic acid oxidase (HAMPTON 1963), polyphenol oxidase (KRUPKA 1959) and cytodirome oxidase (MERRETT 1962b) were estimated at 5, 10 and 15 days after inoculation.

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Section: Methodsmentioning

confidence: 99%

mentioning

confidence: 99%

Inhibition of Cucumber Mosaic Virus by Blasticidin S

Jaganathan

Ramakrishnan

1974

Journal of Phytopathology

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Oxidase Activity of Tissues Systemically Infected by Tobacco Mosaic Virus

Merrett

1962

Physiologia Plantarum

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Effect of Light on Tobacco Mosaic Virus Formation under Anaerobic Conditions

Olsson

1972

Physiol Plant

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Tobacco leaf discs, infected with tobacco mosaic virus (TMV), were floated on Vickery's solution and kept under N2 in the light, conditions where the only source of ATP was assumed to be cyclic photophosphorylation. Usually the virus content was unaltered or decreased during the next 24 hours; occasionally there was some TMV formation, but less than in air and light, and it was abolished by 10−5 M DCMU. This suggested that ATP produced by cyclic photophosphorylation was not used in TMV formation. Infected discs exposed to N2 for longer than 2 hours formed less virus when transferred to air and light than discs not exposed to N2, presumably because some breakdown in the TMV‐forming apparatus occurred in ATP deficient conditions.

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The Effect of Uncoupling Agents on the Multiplication of Tomato‐Aucuba Mosaic Virus in Tobacco Leaves

Cited by 4 publications

References 8 publications

Inhibition of Cucumber Mosaic Virus by Blasticidin S

Inhibition of Cucumber Mosaic Virus by Blasticidin S

Oxidase Activity of Tissues Systemically Infected by Tobacco Mosaic Virus

Effect of Light on Tobacco Mosaic Virus Formation under Anaerobic Conditions

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