About: Induction of sexual reproduction in Spirogyra clones

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About: Induction of sexual reproduction in Spirogyra clones – does an universal trigger exist? Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Species identification of the ubiquitous green algae genus Spirogyra Link based on the traditional morphological species concept requires sexual reproduction stages including ripe hypnozygotes. Since these stages are only infrequently observed in nature, an artificial onset of the sexual phase in the laboratory would be most welcome. We therefore tried to induce conjugation in 95 strains of Spirogyra originating from various European sampling localities. A linear discriminant analysis based on a comparison of abiotic field data between sites with vegetative and conjugating filaments indicated that nitrate deprivation together with elevated organic compounds of N and P promotes conjugation. In the laboratory, altogether 681 experimental setups were conducted with a focus on variation of nutrient supply and irradiance conditions. Species identification of the ubiquitous green algae genus Spirogyra Link based on the traditional morphological species concept requires sexual reproduction stages including ripe hypnozygotes. Since these stages are only infrequently observed in nature, an artificial onset of the sexual phase in the laboratory would be most welcome. We therefore tried to induce conjugation in 95 strains of Spirogyra originating from various European sampling localities. A linear discriminant analysis based on a comparison of abiotic field data between sites with vegetative and conjugating filaments indicated that nitrate deprivation together with elevated organic compounds of N and P promotes conjugation. In the laboratory, altogether 681 experimental setups were conducted with a focus on variation of nutrient supply and irradiance conditions. (en)
Title	Induction of sexual reproduction in Spirogyra clones – does an universal trigger exist? Induction of sexual reproduction in Spirogyra clones – does an universal trigger exist? (en)
skos:prefLabel	Induction of sexual reproduction in Spirogyra clones – does an universal trigger exist? Induction of sexual reproduction in Spirogyra clones – does an universal trigger exist? (en)
skos:notation	RIV/00216224:14310/13:00067820!RIV14-MSM-14310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	V
http://linked.open...avai/riv/aktivity	V
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Uher, Bohuslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	79590
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/13:00067820
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	apomixis; conjugation; polyploidy; Zygnematophyceae (en)
http://linked.open.../riv/klicoveSlovo	conjugation polyploidy apomixis Zygnematophyceae
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[90F89060F803]
http://linked.open...i/riv/nazevZdroje	Fottea
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Uher, Bohuslav Chen, Melanie Schagerl, Michael Zwirn, Melanie
http://linked.open...ain/vavai/riv/wos	000320569200007
issn	1802-5439
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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