Raznolikost endofitskih glivnih združb povezanih s koreninami argana (Argania spinosa (L.) Skeels), v sušnih in polsušnih območjih Alžirije

Abdallah NOUI, Abdelkader SAADI, Abdul SHAKOOR, Abdelaziz MEROUANE, Nassima MOSTEFA DELLA, Gul ZAIB, Damilare Stephen AKINYEMI, Housseyn MEDJAHED

Povzetek


Namen raziskave je bil določiti endofitske glive, ki so povezane s koreninami argana (Argania spinosa) in odkriti raznolikost različnih haplotipov s sekvenciranjem ITS DNK. Določenih je bilo 586 operacijskih taksonomskih enot in te enote (Operational Taxonomic Unit, OTUs) lahko pripišemo funkcionalni raznolikosti gliv kot so endofiti, ektomikorizne glive in potencialni patogeni. V koreninah argana so bili najbolj pogosti predstavniki zaprtotrosnic (Ascomycota), poleg njih so bili najdeni tudi predstavniki prostotrosnic (Basidiomycota). Rodovi Geopora, Sebacina, Knufia, Tomentella, Penicillim so imeli veliko relativno pogostnost. Rezultati raziskave so osvetlili nepovezanost skupin gliv. Podobni vzorci nepovezanih skupin gliv so bili najdeni tudi v drugih habitatih. Analiza parov je pokaza vzorce segregacije med enakimi in različnimi funkcionalnimi skupinami gliv. Glive polsušnih območij niso naključno organizirane. Predstavniki zaprtotrosnic imajo velikokrat normalno porazdelitev. To je prva molekularna raziskava v sušnih in polsušnih habitatih Alžirije, katere namen je bil določiti glive, ki so povezane s koreninami argana. Puščave so med najbol ekstremnimi okolji in glive, ki so povezane s puščavskimi rastlinami so pomemben del raznolikosti in delovanja teh ekosistemov.

Ključne besede


Argania spinose; glive; raznolikost; ITS; endofiti; ektomikoriza

Celotno besedilo:

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Literatura


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DOI: http://dx.doi.org/10.14720/aas.2019.114.1.12

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