prochlorophyten.

Brit.

/prəʊˈklɒrəfʌɪt/,

/prəʊˈklɔːrəfʌɪt/, U.S.

/proʊˈklɔrəˌfaɪt/

Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: pro- prefix², chlorophyte n.

Etymology: < pro- prefix² + chlorophyte n., after scientific Latin Prochlorophyta, class name (R. A. Lewin 1976, in Nature 24 June 697/2).

Biology.

A bright green cyanobacterium of the class Prochlorophyta, characterized by the presence of both chlorophyll a and b and the lack of phycobilins (and so resembling the chloroplasts of higher plants). Whether the prochlorophytes are taxonomically distinct from other cyanobacteria is under debate.

ΚΠ

1978 Jrnl. Phycol. 14 370/2 The simple hydrocarbon pattern, sterol, glyco- and phospho-lipid components together with the fatty acid composition of this prochlorophyte are consistent with a close relationship to members of the Cyanophyceae.

1989 C. J. Avers Process & Pattern in Evol. iv. 118 Later, and only in lineages leading to plants, prokaryotic cyanophytes and prochlorophytes established residence in eukaryotic hosts and there evolved into modern chloroplasts.

1991 R. S. K. Barnes & K. H. Mann Fund. Aquatic Ecol. (ed. 2) ii. 42 Another group of newly discovered picoplankton are small (0.6–0.8 μm) prochlorophytes that can be abundant..in the lower illuminated layers of the ocean.

2005 Biochimica & Biophysica Acta 1708 1 Prochlorothrix hollandica is one of three known species of an unusual clade of cyanobacteria (formerly called ‘prochlorophytes’) that contain chlorophyll a and b molecules.

This is a new entry (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	prochlorophyte
释义	prochlorophyten. Brit. /prəʊˈklɒrəfʌɪt/, /prəʊˈklɔːrəfʌɪt/, U.S. /proʊˈklɔrəˌfaɪt/ Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: pro- prefix², chlorophyte n. Etymology: < pro- prefix² + chlorophyte n., after scientific Latin Prochlorophyta, class name (R. A. Lewin 1976, in Nature 24 June 697/2). Biology. A bright green cyanobacterium of the class Prochlorophyta, characterized by the presence of both chlorophyll a and b and the lack of phycobilins (and so resembling the chloroplasts of higher plants). Whether the prochlorophytes are taxonomically distinct from other cyanobacteria is under debate. ΚΠ 1978 Jrnl. Phycol. 14 370/2 The simple hydrocarbon pattern, sterol, glyco- and phospho-lipid components together with the fatty acid composition of this prochlorophyte are consistent with a close relationship to members of the Cyanophyceae. 1989 C. J. Avers Process & Pattern in Evol. iv. 118 Later, and only in lineages leading to plants, prokaryotic cyanophytes and prochlorophytes established residence in eukaryotic hosts and there evolved into modern chloroplasts. 1991 R. S. K. Barnes & K. H. Mann Fund. Aquatic Ecol. (ed. 2) ii. 42 Another group of newly discovered picoplankton are small (0.6–0.8 μm) prochlorophytes that can be abundant..in the lower illuminated layers of the ocean. 2005 Biochimica & Biophysica Acta 1708 1 Prochlorothrix hollandica is one of three known species of an unusual clade of cyanobacteria (formerly called ‘prochlorophytes’) that contain chlorophyll a and b molecules. This is a new entry (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1978
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