noun Etymology: New Latin Date: 1994 any of a group of bacteria that are related to mycoplasmas, cause plant diseases (as aster yellows) by infecting phloem tissue, are transmitted especially by homopteran insect vectors, and have proved extremely difficult to grow in artificial media — called also mycoplasma-like organism

New Collegiate Dictionary. 2001.

Look at other dictionaries:

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  • phytoplasma — /ˈfaɪtoʊˌplæzmə/ (say fuytoh.plazmuh) noun an extremely small plant pathogenic bacteria like prokaryote, responsible for yellowing in plants. –phytoplasmic, adjective …   Australian English dictionary

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  • Aster yellows — is a disease caused by a phytoplasma (Aster Yellows Phytoplasma) [Bai et al. Living with genome instability: the adaptation of phytoplasmas to diverse environments of their insect and plant hosts. J. Bacteriol. 2006 May;188(10):3682 96.]… …   Wikipedia

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