Aging of Utricularia traps and variability of microorganisms associated with that microhabitat

Bartosz Płachno , Magdalena Łukaszek , Konrad Wołowski , Lubomir Adamec , Piotr Stolarczyk

Abstract

Various authors have described algae in aquatic Utricularia traps as commensals, as stress factors or as prey. This study examined the diversity and abundance of organisms (prey, algae, protozoa and bacteria) in the traps of aquatic Utricularia reflexa in relation to prey occurrence and trap age. The number of organisms increased with the trap age. In both young and old traps, phytoplankton dominated of all organisms found. In young traps, Scenedesmus spp. and Characiopsis sp. were the most abundant algae, while Scenedesmus spp. and the palmelloidal form of Euglena spp. dominated in the old traps. Most of the algal species found stayed alive in the trap environment. The number of living algae and ciliates inside the traps increased with the increasing trap age, too. As the number of Paramecium bursaria inside traps consistently increased with the trap age and number of bacteria, which serve as a food for them, ciliates can be regarded as commensals, but not as prey for the plant. The predominant organisms in the traps were those that can be considered either commensals or intruders, exceeding captured macroscopic prey.
Author Bartosz Płachno
Bartosz Płachno,,
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, Magdalena Łukaszek
Magdalena Łukaszek,,
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, Konrad Wołowski
Konrad Wołowski,,
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, Lubomir Adamec
Lubomir Adamec,,
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, Piotr Stolarczyk (FoBaH / IoPBaB / DoBaPP)
Piotr Stolarczyk,,
- Department of Botany and Plant Physiology
Journal seriesAquatic Botany, ISSN 0304-3770, (A 30 pkt)
Issue year2012
Vol97
No1
Pages44-48
Publication size in sheets0.5
Keywords in EnglishAlgae, Aquatic carnivorous plants, Bladderworts, Lentibulariaceae, Mutualism, Paramecia, Phytotelmata, Symbiosis
ASJC Classification1110 Plant Science; 1104 Aquatic Science
DOIDOI:10.1016/j.aquabot.2011.11.003
URL https://www.sciencedirect.com/science/article/pii/S0304377011001604
Internal identifierWO/2012/1
Languageen angielski
Score (nominal)30
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2014 = 1.06; WoS Impact Factor: 2012 = 1.593 (2) - 2012=2.25 (5)
Citation count*
Additional fields
FinansowanieOur studies were supported by grants from the Polish Ministry of Science and Higher Education (N N304 220135 and N N304 002536). B.J.P. gratefully acknowledges support from the Foundation for Polish Sciences (Start Programme) and L.A. from the Academy of Sciences of the Czech Republic (Res. Prog. No. AV0Z60050516).
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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