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Statements

Subject Item
n2:GPP501%2F10%2FP157
rdf:type
n10:Projekt
rdfs:seeAlso
http://www.isvav.cz/projectDetail.do?rowId=GPP501/10/P157
dcterms:description
It seems that sexual reproduction in many microalgae has been overlooked due to their not adequate examination. Recently we described sexual reproduction in some species of Sphaeropleales and zoosporogenesis in Trachydiscus minutus. Probably, the main signal is light; it inhibited production of both zoospores and gametes. Preliminary experiments revealed that red light was responsible for both zoosporogenesis and gametogenesis in Botryosphaerella sudetica. Thus, we may presume involving of the phytochrome in reproductive regulation. Its presence was proven in some algae; its role, however, has not been adequately examined. I hypothesize that the active form of phytochrome (Pfr) blocks both gametogenesis and zoosporogenesis and that Pfr reverses spontaneously to the inactive form (Pr) in darkness. The potential role of photoreceptors as cryptochrome or phototropin we consider to be less important, although not negligible. Aims of the proposal are to detect the phytochrome in selected microalgae and to investigate relations between their reproduction patterns and phytochrome forms. Cílem projektu je otestovat hypotézu, že aktivní forma fytochromu (Pfr) blokuje gametogenezi i zoosporogenezi u vybraných jednobuněčných řas a ve tmě revertuje na formu neaktivní (Pr). Prokázat přítomnost fytochromu u těchto řas a prostudovat vztahy mezi jejich rozmnožováním a formami fytochromu.
dcterms:title
Úloha fytochromu při gametogenezi a rozmnožování jednobuněčných řas Role of phytochrome in gametogenesis and reproduction patterns in microalgae
skos:notation
GPP501/10/P157
n4:aktivita
n7:GP
n4:celkovaStatniPodpora
n18:celkovaStatniPodpora
n4:celkoveNaklady
n18:celkoveNaklady
n4:datumDodatniDoRIV
2015-03-02+01:00
n4:druhSouteze
n15:VS
n4:duvernostUdaju
n12:S
n4:fazeProjektu
n19:91731942
n4:hlavniObor
n5:EF
n4:hodnoceniProjektu
n11:U
n4:kategorie
n9:ZV
n4:klicovaSlova
Botryosphaerella; Bracteacoccus; fytochrom; gametogeneze; Neochloris; pohlavní rozmnožování
n4:partnetrHlavni
n22:ico%3A67985939
n4:pocetKoordinujicichPrijemcu
0
n4:pocetPrijemcu
1
n4:pocetSpoluPrijemcu
0
n4:pocetVysledkuRIV
2
n4:pocetZverejnenychVysledkuVRIV
2
n4:posledniUvolneniVMinulemRoce
2011-04-16+02:00
n4:prideleniPodpory
n21:P501%2F10%2FP157
n4:sberDatUcastniciPoslednihoRoku
n14:2011
n4:sberDatUdajeProjZameru
n14:2012
n4:soutez
n13:SGA02010GA1PD
n4:statusZobrazovaneFaze
n8:DUU
n4:typPojektu
n16:P
n4:ukonceniReseni
2011-12-31+01:00
n4:vedlejsiObor
n5:ED
n4:zahajeniReseni
2010-01-01+01:00
n4:zhodnoceni+vysledku+projektu+dodavatelem
The project gone according to plan both in terms of expertise and in terms of disbursement of funds. Řešení projektu proběhlo podle plánu jak z hlediska odborného tak i z hlediska čerpání finančních prostředků.
n4:zivotniCyklusProjektu
n6:ZKU
n4:klicoveSlovo
Neochloris Bracteacoccus Botryosphaerella fytochrom gametogeneze