Microorganisms-11-01730-g002

Autor/Urheber:

Urban Tillmann, Aditee Mitra, Kevin J. Flynn, Michaela E. Larsson

Attribution:

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https://www.dewiki.de/b/3761e1

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Beschreibung:

Prorocentrum pervagatum strain LP-D10 (A–P,R) or strain PM-01 (Q). Peduncle feeding in light (A–J,M) or epifluorescence (K,L,N–R) microscopy.

(A) A cell just before attachment of the peduncle (arrow).

(B–D) Different cells in lateral (B,C) and ventral (D) view with a Teleaulax prey cells attached via the peduncle in the apical position. Note the peduncle (arrow in (B)).

(E) Two P. pervagatum cell having exhausted the contents of the same Teleaulax prey cell; note the peduncles (arrows) attached to the remains of the prey.

(F–H) Time series of a P. pervagatum cell ingesting Teleaulax. Note the presence of two previous internal food vacuoles (arrows in F) before starting the new ingestion leading to a new vacuole, so that three internal food vacuoles are visible at a late stage of peduncular feeding (arrows in (H)).

(I–L) The same cell in early (I,K) and late (J,L) stage of peduncular feeding as viewed in bright-field (I,J) or epifluorescence (K,L) light. One internal food vacuole is visible after ingestion.

(M,N) The same peduncular feeding cell in lateral view under bright-field (M) or epifluorescence (N) view, note the yellow fluorescence of the externally attached Teleaulax cell and multiple internal food vacuoles.

(N–R) Epifluorescence view of food vacuoles of P. pervagatum cells fed with Teleaulax (N–Q) or Rhodomomas (I).

(Q) illustrates food uptake by the P. pervagatum type strain PM-01.

Arrows in (P,R) indicate free Teleaulax and Rhodomonas cells, respectively. Scale bars = 5 µm.

Lizenz:

CC BY 4.0

Credit:

Mucus-Trap-Assisted Feeding Is a Common Strategy of the Small Mixoplanktonic Prorocentrum pervagatum and P. cordatum (Prorocentrales, Dinophyceae). In: MDPI: Microorganisms, vol. 11, No. 7, Special Issue 10th Anniversary of Microorganisms: Past, Present and Future, ISSN 2076-2607, 1 July 2023, pp. 1730; doi:10.3390/microorganisms11071730

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