plasmodiophoridn.adj.

Brit.

/ˌplazməʊdʌɪˈɒfərɪd/, U.S.

/ˈˌplæzmoʊˌdaɪˈɑfərɪd/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Plasmodiophora , -id suffix³.

Etymology: < scientific Latin Plasmodiophora, genus name (M. Voronin 1877, in Trudy Sankt-Peterburgskogo obščestva estestvoispytatelej 8 169; < plasmodium plasmodium n. + -o- -o- connective + -phora : see -phorous comb. form) + -id suffix³.

Microbiology.

A. n.

Any of a group of eukaryotic microorganisms resembling acellular slime moulds, forming a plasmodial feeding stage and living mainly as intracellular parasites of plants, fungi, and algae.These organisms have been variously classified as fungi (family Plasmodiophoraceae) or as protoctists (family Plasmodiophoridae). The group includes several notable plant pathogens (including the cause of clubroot in brassicas) and vectors of plant viruses.

ΘΚΠ

the world > life > biology > balance of nature > organisms in interrelationship > [noun] > parasites

parasite1728

plasmodium1886

nosophyte1890

holoparasite1891

wound-parasite1897

plasmodiophorid1975

1975 L. S. Olive Mycetozoans vi. 193 The plasmodiophorids are a group of obligate, endobiotic parasites that have been variously classified among the fungi, mycetozoans, Proteomyxa, and Rhizopoda.

1982 Ohio Jrnl. Sci. 82 ii. 17 (heading) The plasmodiophorid parasitic on Heteranthera dubia.

1985 Canad. Jrnl. Bot. 63 263 The ultrastructure of plasmodia, sporangia, and cystosori of Ligniera verrucosa..is described and compared with that of other plasmodiophorids.

2000 New Scientist 6 May 7 (advt.) Your main duties and responsibilities will include..Fractionating root exudates and identifying chemicals involved in the germination of plasmodiophorids.

B. adj.

Of or belonging to the group of parasitic microorganisms comprising the plasmodiophorids.

ΚΠ

1989 Canad. Jrnl. Bot. 67 1216 The haploid chromosome number was determined to be 38, which distinguishes Ligniera from other plasmodiophorid genera, particularly Polymyxa (n = 30) and Sorosphaera (n = 33).

1995 Mycotaxon 55 165 The taxonomy of a plasmodiophorid intracellular parasite on the seagrass Halophila stipulacea (Hydrocharitaceae) is discussed.

1999 European Jrnl. Plant Pathol. 105 643 Cystosori, characteristic of plasmodiophorid fungal vectors of plant viruses, were consistently observed in the roots of diseased rice plants.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	plasmodiophorid
释义	plasmodiophoridn.adj. Brit. /ˌplazməʊdʌɪˈɒfərɪd/, U.S. /ˈˌplæzmoʊˌdaɪˈɑfərɪd/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Plasmodiophora , -id suffix³. Etymology: < scientific Latin Plasmodiophora, genus name (M. Voronin 1877, in Trudy Sankt-Peterburgskogo obščestva estestvoispytatelej 8 169; < plasmodium plasmodium n. + -o- -o- connective + -phora : see -phorous comb. form) + -id suffix³. Microbiology. A. n. Any of a group of eukaryotic microorganisms resembling acellular slime moulds, forming a plasmodial feeding stage and living mainly as intracellular parasites of plants, fungi, and algae.These organisms have been variously classified as fungi (family Plasmodiophoraceae) or as protoctists (family Plasmodiophoridae). The group includes several notable plant pathogens (including the cause of clubroot in brassicas) and vectors of plant viruses. ΘΚΠ the world > life > biology > balance of nature > organisms in interrelationship > [noun] > parasites parasite1728 plasmodium1886 nosophyte1890 holoparasite1891 wound-parasite1897 plasmodiophorid1975 1975 L. S. Olive Mycetozoans vi. 193 The plasmodiophorids are a group of obligate, endobiotic parasites that have been variously classified among the fungi, mycetozoans, Proteomyxa, and Rhizopoda. 1982 Ohio Jrnl. Sci. 82 ii. 17 (heading) The plasmodiophorid parasitic on Heteranthera dubia. 1985 Canad. Jrnl. Bot. 63 263 The ultrastructure of plasmodia, sporangia, and cystosori of Ligniera verrucosa..is described and compared with that of other plasmodiophorids. 2000 New Scientist 6 May 7 (advt.) Your main duties and responsibilities will include..Fractionating root exudates and identifying chemicals involved in the germination of plasmodiophorids. B. adj. Of or belonging to the group of parasitic microorganisms comprising the plasmodiophorids. ΚΠ 1989 Canad. Jrnl. Bot. 67 1216 The haploid chromosome number was determined to be 38, which distinguishes Ligniera from other plasmodiophorid genera, particularly Polymyxa (n = 30) and Sorosphaera (n = 33). 1995 Mycotaxon 55 165 The taxonomy of a plasmodiophorid intracellular parasite on the seagrass Halophila stipulacea (Hydrocharitaceae) is discussed. 1999 European Jrnl. Plant Pathol. 105 643 Cystosori, characteristic of plasmodiophorid fungal vectors of plant viruses, were consistently observed in the roots of diseased rice plants. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.adj.1975
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