Contribution to the Problem of Insect and Mechanical Transmission of Infectious Chlorosis of Malvaceae and the Disease displayed by Abutilon thompsonii

Flores, Elza; Silberschmidt, K.

doi:10.1111/j.1439-0434.1967.tb02985.x

Cited by 13 publications

(2 citation statements)

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“…Although cytological alterations occur in infected A. sellovianum mesophyll cells (Jeske and Werz, 1978), AbMV was not detected in these tissues but appeared to be confined to the phloem in this host (Horns and Jeske, 1991), consistent with earlier immunolocalization results (Abouzid et al., 1988). Nevertheless, it was not possible to exclude the possibility that this seemingly atypical relationship for a bipartite geminivirus may be peculiar to this particular virus–host combination, and may have evolved as a result of propagation of infected plant material solely by vegetative means for more than a century (Flores and Silberschmidt, 1967). To address this possibility, the tissue tropism of AbMV in the laboratory host N. benthamiana , in which it induces mild symptoms, was investigated in the present study.…”

Section: Introductionmentioning

confidence: 99%

Comparative Analysis of Tissue Tropism of Bipartite Geminiviruses

Wege

Saunders

Stanley

et al. 2001

Journal of Phytopathology

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Abutilon mosaic virus (AbMV), a bipartite geminivirus of the genus Begomovirus, has been vegetatively propagated for many years in Abutilon sellovianum in which it is strictly phloem‐restricted. Using in situ hybridization and immunological analyses, the tissue tropism of AbMV in the laboratory host Nicotiana benthamiana was compared with that of two other bipartite begomoviruses, African cassava mosaic virus (ACMV) and tomato golden mosaic virus (TGMV). Analysis of the first systemically infected leaves and longitudinal sections of axillary and flower buds revealed that all three viruses are initially confined to the vascular traces, although both ACMV and TGMV are later detectable in nearly all tissue types. In contrast, AbMV remained strictly phloem‐limited in this host throughout the course of infection. The ability of ACMV and TGMV to move out of N. benthamiana phloem tissues is correlated with the development of severe symptoms in comparison with the mild symptoms associated with AbMV infection. It was also demonstrated that Sida micrantha mosaic virus, a virus that is closely related to AbMV, is phloem‐limited in Malva parviflora even though it induces severe leaf curl, stunting and necrosis in this host. The present data demonstrate that bipartite begomoviruses can exhibit strikingly different patterns of tissue tropism.

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Section: Introductionmentioning

confidence: 99%

Comparative Analysis of Tissue Tropism of Bipartite Geminiviruses

Wege

Saunders

Stanley

et al. 2001

Journal of Phytopathology

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“…The first documented outbreaks of whitefly-transmitted viruses in tomato occured in the 1950s when an "infectious chlorosis" was observed in Brazil (Flores and Silberschmidt 1967;Flores et al 1960). This disease was apparently related to begomoviruses transmitted from wild malvaceous plants in tomato fields.…”

Section: South Americamentioning

confidence: 99%

Bemisia: Bionomics and Management of a Global Pest

Brown

2010

145

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No part of this work may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, microfilming, recording or otherwise, without written permission from the Publisher, with the exception of any material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the work. Cover illustration: Whitefly -USDA-ARS, Scott BauerPrinted on acid-free paper Springer is part of Springer Science+Business Media (www.springer.com) This book is dedicated to Dr. Jacquelyn (Jackie) L. Blackmer , a coauthor of Chapter 5 and a renowned entomologist in the field of insect behavior, insect-plant interactions, and insect dispersal and migration. During postdoctoral work at The University of Arizona and her most recent tenure with the United States Department of Agriculture, Agricultural Research Service in Arizona she made numerous advances in understanding the behavior, physiology and ecology of Bemisia tabaci. Dr. Blackmer conducted some of the first and still the most comprehensive studies on the migratory and short-range flight behavior of Bemisia tabaci including the role of environment, physiology, morphology, life history and host quality. She advanced our understanding of host quality factors in whitefly life history, developed an artificial diet system, and examined the flight behavior of whitefly parasitoids. She was a tireless, innovative and inspirational researcher as well as being a generous collaborator, colleague and friend to all with whom she worked. Her significant contributions to entomology will be long remembered and will continue to inspire advances in whitefly biology, ecology and management.v

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