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Wyszukujesz frazę "biotic interaction" wg kryterium: Wszystkie pola


Wyświetlanie 1-7 z 7
Tytuł:
Biotic interaction between spionid polychaetes and bouchardiid brachiopods: Paleoecological, taphonomic and evolutionary implications
Autorzy:
Rodrigues, S.C.
Simoes, M.G.
Kowalewski, M.
Petti, M.A.V.
Nonato, E.F.
Martinez, S.
del Rio, C.J.
Powiązania:
https://bibliotekanauki.pl/articles/21792.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
biotic interaction
spionid polychaete
polychaete
bouchardiid brachiopod
brachiopod
paleoecology
evolution
Brachiopoda
Spionidae
Caulostrepsis
Bouchardia
Cenozoic
Brazil
Opis:
Shells of Bouchardia rosea (Brachiopoda, Rhynchonelliformea) are abundant in Late Holocene death assemblages of the Ubatuba Bight, Brazil, SW Atlantic. This genus is also known from multiple localities in the Cenozoic fossil record of South America. A total of 1211 valves of B. rosea, 2086 shells of sympatric bivalve mollusks (14 nearshore localities ranging in depth from 0 to 30 m), 80 shells of Bouchardia zitteli, San Julián Formation, Paleogene, Argentina, and 135 shells of Bouchardia transplatina, Camacho Formation, Neogene, Uruguay were examined for bioerosion traces. All examined bouchardiid shells represent shallow−water, subtropical marine settings. Out of 1211 brachiopod shells of B. rosea, 1201 represent dead individuals. A total of 149 dead specimens displayed polychaete traces (Caulostrepsis). Live polychaetes were found inside Caulostrepsis borings in 10 life−collected brachiopods, indicating a syn−vivo interaction (Caulostrepsis traces in dead shells of B. rosea were always empty). The long and coiled peristomial palps, large chaetae on both sides of the 5th segment, and flanged pygidium found in the polychaetes are characteristic of the polychaete genus Polydora (Spionidae). The fact that 100% of the Caulostrepsis found in living brachiopods were still inhabited by the trace−making spionids, whereas none was found in dead hosts, implies active biotic interaction between the two living organisms rather than colonization of dead brachiopod shells. The absence of blisters, the lack of valve/site stereotypy, and the fact that tubes open only externally are all suggestive of a commensal relationship. These data document a new host group (bouchardiid rhynchonelliform brachiopods) with which spionids can interact (interestingly, spionid−infested sympatric bivalves have not been found in the study area despite extensive sampling). The syn−vivo interaction indicates that substantial bioerosion may occur when the host is alive. Thus, the presence of such bioerosion traces on fossil shells need not imply a prolonged post−mortem exposure of shells on the sea floor. Also, none of the Paleogene and Neogene Bouchardia species included any ichnological evidence for spionid infestation. This indicates that the Spionidae/ Bouchardia association may be geologically young, although the lack of older records may also reflect limited sampling and/or taphonomic biases.
Źródło:
Acta Palaeontologica Polonica; 2008, 53, 4
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of the growth of Trichoderma pleurotum and Trichoderma pleuroticola isolates and their biotic interaction with Pleurotus sp.
Autorzy:
Sobieralski, K.
Siwulski, M.
Komon-Zelazowska, M.
Blaszczyk, L.
Gorski, R.
Spizewski, T.
Sas-Golak, I
Powiązania:
https://bibliotekanauki.pl/articles/65509.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Opis:
Growth of Trichoderma pleurotum and T. pleuroticola isolates on the Potato Dextrose Agar (PDA) medium was investigated. T. pleuroticola isolates showed a significantly greater diameter of their mycelium colonies after 5 days of incubation than the T. pleurotum isolates. In addition, biotic interactions between T. pleurotum and T. pleuroticola isolates and species of Pleurotus sp. were determined. The following six species of oyster mushroom were used: P. florida, P. cornucopiae, P. pulmonarius, P. columbinus, P. ostreatus and P. eryngii. It was demonstrated that isolates of the T. pleuroticola species limited the growth of the examined species of oyster mushroom to a much greater extent than the isolates of the T. pleurotum species.
Źródło:
Journal of Plant Protection Research; 2012, 52, 2
1427-4345
Pojawia się w:
Journal of Plant Protection Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Multi-snail infestation of Devonian crinoids and the nature of platyceratid-crinoid interactions
Autorzy:
Baumiller, T K
Powiązania:
https://bibliotekanauki.pl/articles/20265.pdf
Data publikacji:
2002
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
USA
Silica Formation
Devonian
platyceratid-crinoid interaction
biotic interaction
crinoid
snail
Middle Devonian
paleontology
Ohio
Opis:
The well−known association of platyceratid snails and crinoids typically involves a single snail positioned on the tegmen of the crinoid host; this has led to the inference of coprophagy. Two specimens of the camerate crinoid Arthroacantha from the Middle Devonian Silica Formation of Ohio, USA, exhibit numerous snails on their tegmens. On one of these, 6 platyceratid juveniles of approximately equal size are found on the tegmen. On the second crinoid, the largest of 7 infesting platyceratids occupies the typical position over the anal vent while others are either superposed (tiered) upon it or are positioned elsewhere on the tegmen. These specimens illustrate that platyceratids (1) settled on crinoids as spat, (2) were not strictly coprophagous during life yet (3) benefited from a position over the anal vent.
Źródło:
Acta Palaeontologica Polonica; 2002, 47, 1
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Tubular shell infestations in some Mississippian spirilophous brachiopods
Autorzy:
Balinski, A.
Sun, Y.
Powiązania:
https://bibliotekanauki.pl/articles/20057.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:
paleontology
tubular shell
shell
infestation
Mississippian brachiopod
spirilophous brachiopod
brachiopod
Brachiopoda
Spiriferida
Spiriferinida
biotic interaction
endosymbiont
Muhua Formation
China
Opis:
Evidence of brachiopod shell infestation by tube dwelling parasitic–commensal organisms is very rare in the fossil record. The oldest record of this kind of biotic interaction is known as Eodiorygma acrotretophilia from the Early Cambrian phosphatic acrotretoid Linnarsonia. The youngest evidence of parasitic infestation was documented in the Early Cretaceous rhynchonellide Peregrinella multicarinata. Two other records of vermiform tubes inside brachiopod shells come from the Devonian. These are Diorygma atrypophilia, infesting Givetian atrypide shells, and Burrinjuckia spiriferidophilia, found in some Emsian spiriferides. Here we describe the fifth record of this kind of infestation for which a name Haplorygma dorsalis ichnogen. et ichnosp. nov. is proposed. The tubular infestation structure was revealed in two silicified dorsal valves of spirolophous brachiopods found in the Mississippian Muhua Formation of the Southern China. The affinity of the tube−dwelling organism is rather enigmatic, but its annelid relationship and kleptoparasitic nature seems highly probable. In addition, the phoronid affinity of Diorygma is here questioned.
Źródło:
Acta Palaeontologica Polonica; 2010, 55, 4
0567-7920
Pojawia się w:
Acta Palaeontologica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of trace metal pretreatment on plant fungi interaction
Autorzy:
Piechalak, A.
Malecka, A.
Kutrowska, A.
Wojtera-Kwiczor, J.
Hanc, A.
Baralkiewicz, D.
Tomaszewska, B.
Powiązania:
https://bibliotekanauki.pl/articles/80724.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
conference
trace metal
pretreatment
abiotic stress
biotic stress
physiological condition
reactive oxygen species
antioxidant
plant-fungi interaction
Źródło:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
0860-7796
Pojawia się w:
BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effect of entomopathogenic fungi on the growth of fusarium fungi in biotic tests
Wpływ grzybów entomopatogennych na wzrost grzybów z rodzaju Fusarium w testach biotycznych
Autorzy:
Matras, E.
Grzyb, K.
Gorczyca, A.
Powiązania:
https://bibliotekanauki.pl/articles/335040.pdf
Data publikacji:
2017
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Maszyn Rolniczych
Tematy:
Fusarium
insecticidal fungi
interaction
grzyby owadobójcze
interakcja
Opis:
Insecticidal soil fungi are used for the biological control of pests of cultivated plants. Fungi of the Fusarium genus are economically important phytopathogens that produce mycotoxins. The aim of the study was to identify the effect of selected insecticidal fungi on the growth and development of Fusarium fungi. Study material were the strains: F. culmorum, F. avenaceum, F. poae, Beauveria bassiana, Isaria fumosorosea and Metarhizium anisopliae. Identification of interactions between strains was conducted in laboratory conditions using three media: Potato Dextrose Agar, Sabouraud Agar, Czapek-Dox. The cultures were incubated and surface growth of colonies was observed. After culturing, interactions between species were assessed using the individual biotic effect score by Mańka. Fusarium fungi prevailed over entomopathogenic fungi in plate cultures. In most cases, Fusarium fungi obtained a positive and relatively high score when cultured in the presence of entomopathogenic fungi. It was demonstrated that entomopathogenic fungi have a poor antagonistic potential against Fusarium fungi. The entomopathogenic species I. fumosorosea, in some cases limiting the growth of phytopathogens, constituted the exception.
Glebowe grzyby owadobójcze wykorzystuje się do biologicznego zwalczania szkodników roślin uprawnych. Grzyby z rodzaju Fusarium to ważne gospodarczo fitopatogeny wytwarzające mykotoksyny. Celem badań było rozpoznanie wpływu wybranych grzybów owadobójczych na wzrost i rozwój grzybów z rodzaju Fusarium. Materiał badawczy stanowiły szczepy F. culmorum, F. avenaceum, F. poe, Beauveria bassiana, Isaria fumosorosea i Metarhizium anisopliae. Badanie wzajemnych oddziaływań pomiędzy szczepami przeprowadzono w warunkach laboratoryjnych z wykorzystaniem trzech podłoży: Potato Dextrose Agar, Sabouraud Agar, Czapek-Dox. Kultury inkubowano i obserwowano wzrost powierzchniowy koloni. Po hodowli oceniono interakcje między gatunkami według skali indywidualnego efektu biotycznego Mańki. Grzyby Fusarium dominowały w hodowli szalkowej nad grzybami entomopatogennymi. W większości przypadków uzyskano dodatni i stosunkowo wysoki wskaźnik skali dla grzybów Fusarium hodowanych w obecności grzybów entomopatogennych. Wykazano, że grzyby entomopatogenne posiadają słaby potencjał w zakresie działania antagonistycznego względem grzybów Fusarium. Wyjątkiem był entomopatogenny gatunek I. fumosorosea, który w pewnych przypadkach ograniczał wzrost fitopatogenów.
Źródło:
Journal of Research and Applications in Agricultural Engineering; 2017, 62, 3; 216-220
1642-686X
2719-423X
Pojawia się w:
Journal of Research and Applications in Agricultural Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A different path to the summit of Fusarium Head Blight resistance in wheat: developing germplasm with a systemic approach.
Autorzy:
Comeau, A.
Langevin, F.
Caetano, V.R
Haber, S.
Savard, M.E.
Voldeng, H.
Fedak, G.
Dion, Y.
Rioux, S.
Gilbert, J.
Martin, R.A.
Eudes, F.
Scheeren, P.L.
Powiązania:
https://bibliotekanauki.pl/articles/2199597.pdf
Data publikacji:
2011-06-21
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
barley yellow dwarf virus (BYDV)
biotic and abiotic stresses
Fusarium Head Blighy (FHB)
genotypes
resistance
traits interaction
Opis:
In pursuing FHB resistance in wheat, 30 years of conventional breeding efforts in Eastern Canada have brought some progress. Substantial investment and the application in recent years of marker-assisted selection have to date, however, failed to produce agronomic lines that resist FHB as well as Sumai 3. We present here an alternative path, described as the systemic approach. Rather than seeking to introgress specific putative resistance genes, it subjects target germplasm to regimes of repeated cycles of multiple, interacting (biotic and abiotic) stresses in which desirable traits – not always adequately expressed in parental lines – are identified and selected. How can such a seemingly counterintuitive process work? The systemic approach views desired resistance as arising from the interactions of complex regulation mechanisms mediating how a host responds when a pathogen attacks. These constituents of resistance should thus not always be understood simply as discrete Mendelian units. In repeated rounds of selection, the systemic approach captures those rare individuals that embody optimal interactions of traits, and advances them as founders of lines that resist FHB more effectively than if selection focused on FHB alone. In Quebec, we have chosen to select wheat populations under combined pressure from barley yellow dwarf virus (BYDV) infection and FHB. Resistance to FHB and tolerance of BYDV are quantitative traits that interact. BYD increases both the direct losses from FHB and the production of mycotoxins. Selection under virus pressure, therefore, helps identify those individuals which express FHB resistance more effectively. Moreover, the correlates of virus tolerance (physiological efficiency, generalized stress tolerance and yield) point to those plants with better root traits, ability to produce biomass and yield stability. Together with numerous secondary criteria, such selection eliminates all but a few ‘winners’ in each round. Seen from a systemic perspective, the difficulty of identifying good progeny among descendants of crosses with Sumai 3 does not surprise. Deleterious linkages, pleiotropy and epistasis will usually combine in far from optimal expressions of the assembled genetic information. The systemic approach, by contrast, identifies in repeated cycles increasingly optimized expressions of genes, allowing all potential sources of resistance to be explored. Thus resistant lines can readily be derived from the crosses of susceptible parents, an objective rarely sought in conventional, focused approaches. Moreover, wheat plants respond to the systemic approach’s powerful stresses with enhanced epigenetic variation, raw material from which broader ranges of heritable traits can be selected. Germplasm that expresses a full range of attractive traits while resisting FHB as effectively as Sumai 3 can now be shown to be much more abundant than previously imagined. Perhaps this promise will entice more wheat workers to try a systemic approach...
Źródło:
Plant Breeding and Seed Science; 2011, 63; 39-48
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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