Gold Mosaic glass has been used to decorate items and places since ancient time. The glass structure is divided into three layers: cover glass, gold layer and glass substrate. In this study, the composition of old-styled Thai gold mosaic glass samples was analyzed using SEM/EDX and Raman spectroscopy. It was found that the glass composition was sodiumsilicate based glass. Raman spectroscopy als...

New butyrolactones aspernolides C and D, along with two known butyrolactones (A and B) were isolated from the culture of the endophytic fungus Aspergillus versicolor. Their structures were elucidated on the basis of extensive spectroscopic analysis, including 1D and 2D nuclear magnetic ressonance techniques, and electronic circular dichroism. The butyrolactones aspernolides C and D were tested ...

AIMS To develop a highly sensitive and rapid protocol for simultaneous detection and differentiation of Tobacco mosaic virus (TMV) and Tomato mosaic virus (ToMV) in pepper and tomato. In this study, we use the multiplex PCR technique to detect dual infection of these two viruses. METHODS AND RESULTS A multiplex RT-PCR method consisting of one-tube reaction with two primer pairs targeted to re...

Expression of a chimeric gene encoding the coat protein (CP) of tobacco mosaic virus (TMV) in transgenic tobacco plants confers resistance to infection by TMV. We investigated the spread of TMV within the inoculated leaf and throughout the plant following inoculation. Plants that expressed the CP gene [CP(+)] and those that did not [CP(-)I accumulated equivalent amounts of virus in the inoculat...

It is now fairly well established that heavy infections with ordinary tobacco mosaic (tobacco virus 1) (8Y in tobacco fields are not attributable to dissemination of the virus by aphids. Not only has the writer presented evidence that aphids do not transmit the tobacco mosaic virus from tobacco to tobacco (4, 5), but Johnson and Ogden {10), Valleau and Johnson (^Jf), and others have shown that ...

The tobacco aphid, Myzus persicae nicotianae is an economically important pest of tobacco. Damage is through direct injury by sucking sap of infested plants as well as reduction of the quality of the leaf by leaving honey-dew which encourages the subsequent growth of sooty-mould. In addition to this, aphids also transmit economically important virus diseases such as the bushy-top virus, the alf...

A substantial relationship between cucumber viruses 3 and 4 and certain members of the tobacco mosaic virus group may be demonstrated by a comparison of their physicochemical properties and by serological tests (l-3). However, the test which would establish conclusively kinship between these nucleoproteins, namely the immunization of a plant diseased with cucumber virus 3 or 4 against infection...

BACKGROUND The analysis of gene function based on the generation of mutant mice by homologous recombination in embryonic stem cells is limited if gene disruption results in embryonic lethality. Mosaic mice, which contain a certain proportion of mutant cells in all organs, allow lethality to be circumvented and the potential of mutant cells to contribute to different cell lineages to be analyzed...

We compared some fitness components of the wild squash species Cucurbita pepo spp. ovifera var. texana (C. texana) and three generations of hybrids (F1, BC1, and BC2) between C. texana and commercial transgenic squash CZW-3 over three consecutive years under field conditions of low (LDP) and high disease pressure (HDP) by Cucumber mosaic virus (CMV), Zucchini yellow mosaic virus (ZYMV) and Wate...

The US military has a need to find detailed maps of a specific region that is current to within a few hours. The current technology for this involves Unmanned Aerial Vehicles (UAV), which are portable, are easy to maneuver, and can provide images at standard video refresh rates. The mosaic software from the Aviation and Missile Research, Development, and Engineering Center (AMRDEC) stitches ima...