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1.
Lett Appl Microbiol ; 72(3): 263-274, 2021 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33063859

RESUMO

Endophytic fungi are broadly dispersed residing inside plant tissues and have been demonstrated as a treasure for bioactive natural products. Unexplored harsh and heavy metal contaminant habitat of Avicennia marina may have diverse and potential fungal association. Therefore, this work aimed to isolate the culturable fungal endophytes associated with leaves of A. marina and to evaluate their medical potentialities. Seventeen isolates of endophyte fungi were isolated from healthy leaves and their antimicrobial activities were evaluated. Results showed that isolates had activity against micro-organisms in addition to their antioxidant activity produced a variety of phenolic compounds, besides exhibited a lowest cytotoxicity against ATCC-CCL-81 cell line. Consequently, selected endophytic fungal isolates were identified genetically as Chaetomium sp., Chaetomium madrasense, Chaetomium sp., Chaetomium globosum, Aspergillus hiratsukae, Aspergillus ochraceus, Alternaria tenuissima and Curvularia lunata with gene bank accession numbers MT089951, MT089952, MT089953, MT089954, MT089955, MT089956, MT089957 and MT089958 respectively. The most potent fungus extract was analysed using Gas chromatography-mass spectrometry which verified the presence of numerous bioactive compounds. These findings confirmed that new endophytic fungal strains derived from A. marina thrive in harsh ecosystem produce bioactive metabolites which can be recommended as a novel source for drug discovery.


Assuntos
Antioxidantes/farmacologia , Avicennia/microbiologia , Extratos Celulares/farmacologia , Fungos/química , Fungos/efeitos dos fármacos , Alternaria/química , Aspergillus/química , Aspergillus ochraceus/química , Produtos Biológicos/farmacologia , Chaetomium/química , Curvularia/química , Clima Desértico , Descoberta de Drogas , Endófitos/química , Endófitos/isolamento & purificação , Fungos/isolamento & purificação , Cromatografia Gasosa-Espectrometria de Massas , Folhas de Planta/microbiologia
2.
Eur J Gynaecol Oncol ; 38(1): 147-149, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-29767886

RESUMO

Gastrointestinal stromal tumors (GISTs) are rare gastrointestinal (GI ) tract tumors. Those tumors rarely arise extra intestinally; within omentum, mesentery, and rarely uterus. The authors report a case of myxoid variant of GIST arising in the ovary with no evidence of a primary tumor in the GI tract. Surgeons as well as gynecologists should bear this possibility in mind when managing pelvic masses.


Assuntos
Tumores do Estroma Gastrointestinal/diagnóstico , Tumores do Estroma Gastrointestinal/terapia , Neoplasias Ovarianas/diagnóstico , Neoplasias Ovarianas/terapia , Feminino , Humanos , Pessoa de Meia-Idade
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