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First Report of ‘Candidatus Phytoplasma australiense’ in Potato

Citation
Liefting et al. (2009). Plant Disease 93 (9)
Names
Ca. Phytoplasma australiense
Abstract
In January of 2009, potato plants (Solanum tuberosum) from a commercial crop in the Waikato Region, New Zealand were observed to have symptoms of upward rolling and purpling of the leaves. The symptoms appeared similar to those of “zebra chip”, a disorder of potato recently found to be associated with ‘Candidatus Liberibacter solanacearum’ in New Zealand and the United States (4). Total DNA from the leaf midveins and tubers from one of the symptomatic plants was separately extracted with an Inv

The cyanobacterial genus Phormidesmis

Citation
Komárek et al. (2009). Algological Studies 129
Names
Phormidesmis priestleyi
Abstract

Candidatus Phytoplasma brasiliense associado ao superbrotamento do hibisco (Hibiscus rosa-sinensis L.) no Estado de São Paulo

Citation
Silva et al. (2009). Summa Phytopathologica 35 (3)
Names
Ca. Phytoplasma brasiliense
Abstract
Plantas de hibisco com superbrotamento e definhamento seguido de morte têm sido observadas nos municípios de São Paulo, Campinas e Piracicaba. Como os sintomas são sugestivos daqueles induzidos por fitoplasmas, o presente trabalho buscou identificar o possível fitoplasma associado com a doença. Assim, 14 plantas sintomáticas de hibisco foram coletadas em Piracicaba (SP) e submetidas ao PCR duplo com os primers P1/Tint-R16F2n/R2 e ao exame em microscópio eletrônico de transmissão. A identificação

HETEROGENEITY OF THE CYANOBACTERIAL GENUS SYNECHOCYSTIS AND DESCRIPTION OF A NEW GENUS, GEMINOCYSTIS1

Citation
Korelusová et al. (2009). Journal of Phycology 45 (4)
Names
Geminocystis
Abstract
The study and revision of the unicellular cyanobacterial genus Synechocystis was based on the type species S. aquatilis Sauv. and strain PCC 6803, a reference strain for this species. Uniformity in rRNA gene sequence, morphology, and ultrastructure was observed in all available Synechocystis strains, with the exception of the strain PCC 6308, which has been considered by some to be a model strain for Synechocystis. This strain differs substantially from the typical Synechocystis cluster accordin