Ulva flexuosa subsp. pilifera (Chlorophyta, Ulvophyceae) from the Wielkopolska region (West Poland) : a new observation on the ultrastructure of vegetative cells [commun.]

• Autorzy: Messyasz B. , Czerwik-Marcinkowska J. , Uher B. , Rybak A. , Szendzina L. , Pikosz M.
• Języki publikacji: EN

Abstrakty

EN

Ulva flexuosa subsp. pilifera previously known from northern Poland, from the channel near Szczecin and ponds near Łódź, has recently been found in the Malta Reservoir in the Wielkopolska (West Poland) region. Specimens collected in the Wielkopolska region were examined in detail, also under a transmission electron microscope (TEM). The morphometric analysis of Ulva thalli (both young and mature specimens) was performed in order to study the differences in the ultrastructure of vegetative cells. Rectangular cells in young thalli measured from 32.21 - 55.81 μm to 20.24 – 35.12 μm, and they formed clear longitudinal rows, while cells in the mature specimens ranged from 25.09 – 47.66 μm to 18.90 – 31.56 μm. This study indicates that vegetative cells of the mature thalli show tendency towards distortions of both the longitudinal and transverse cells arrangement. This distortion is determined by the development of possible carbonate calcium crystals on the thalli surface. The ultrastructural analysis (TEM) confirmed that the structure and placement of thylakoids is genus/species specific.

Słowa kluczowe

EN

Ulva flexuosa subsp. pilifera; Malta Reservoir; morphology; ultrastructure

• Wydawca: Institute of Oceanography University of Gdańsk
• Czasopismo: Oceanological and Hydrobiological Studies
• Rocznik: 2013
• Tom: Vol. 42, No. 2
• Strony: 209--215
• Opis fizyczny: Bibliogr. 39 poz., fot., wykr.

Twórcy

autor

Messyasz B.

autor

Czerwik-Marcinkowska J.

autor

Uher B.

autor

Rybak A.

autor

Szendzina L.

autor

Pikosz M.

• Department of Botany, Institute of Biology, Jan Kochanowski University, Świętokrzyska 15, 25-420 Kielce, Poland,

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