New species of Lopesia (Diptera, Cecidomyiidae) associated with Eichhornia azurea (Pontederiaceae) from Brazil

Urso-Guimarães, Maria Virginia; Peláez-Rodríguez, Marlon; Trivinho‐Strixino, Susana

doi:10.1590/1678-476620141044478483

Cited by 7 publications

(3 citation statements)

References 8 publications

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“…10 Aquatic macrophytes reach high biomass values, making them an important source of organic material to be decomposed. 11 Several studies have hypothesized about the relationship of this macrophyte with others species, such as ephemeropteras, 12 fishes, 13 , 14 , 15 , 16 , 17 insects 10 , 18 , 19 and the endophytic fungal community. 20 …”

Section: Introductionmentioning

confidence: 99%

Eichhornia azurea decomposition and the bacterial dynamic: an experimental research

Dahroug

Santana

Pagioro

2016

Brazilian Journal of Microbiology

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Organic decomposition is a complex interaction between chemical, physical and biological processes, where the variety of aquatic vascular plants is essential for the trophic dynamics of freshwater ecosystems. The goal of this study was to determine the aquatic macrophyte Eichhornia azurea (Sw.) Kunth decomposition rate, the time relation with the limnological parameters, and whether this relationship is a result of decomposition processes. To that end, we collected water and leaves of E. azurea in Surf Leopoldo, PR. The experiment consisted of two treatments: 25 containers with 450 mL of water and 0.8 g of biomass dry weight were used with or without the addition of macrophytes. Samples were collected in triplicate at times 0, 3 h, 6 h, 12 h, 24 h, 72 h, 120 h, 168 h and 240 h. When the container was removed, the plant material was dried in an oven. After 48 h, the material was measured to obtain the final dry weight. Analyses of pH, conductivity, dissolved oxygen, total phosphorus N-ammonia (NH4), soluble reactive phosphorus (PO4) and dissolved organic carbon were performed, and the decomposition rate was calculated. The results showed significant temporal variation of limnological parameters in the study. Additionally, dissolved oxygen, conductivity, dissolved organic carbon and total phosphorus were correlated with the dry weight of the biomass, suggesting that E. azurea decomposition significantly interferes with the dynamics of these variables.

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Section: Introductionmentioning

confidence: 99%

Eichhornia azurea decomposition and the bacterial dynamic: an experimental research

Dahroug

Santana

Pagioro

2016

Brazilian Journal of Microbiology

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“…The plates were then incubated at 28±2°C for 7-15 days. After the incubation period, each fungal colony was isolated, identified, and preserved by transferring it to a pure slant containing the same medium, and the slants were stored at 4°C for subsequent testing (Guimarães et al, 2014).…”

Section: Isolation Of Fungimentioning

confidence: 99%

GCMS Separation of the Bioactive Fraction Obtained from Aspergillus flavus Isolated from El-Qussair Marine Environments

et al. 2022

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D UE TO THEIR diversity and chemo-diversity, marine fungi are renowned for producing structurally distinct secondary metabolites and are regarded as a viable source of novel treatments. This study aimed to evaluate the antimicrobial activity of 26 fungal strains collected from the Mediterranean and Red Seas at Sharm el-sheikh, Marsa matrouh, Damietta, El-ain el-sobhy, and El-Qusair. Using the well diffusion method with ethyl acetate, petroleum ether, methanolic, and chloroformic extracts, the antibacterial activity of each fungal isolate against pathogenic microbes was assessed. Our research revealed that marine fungi, particularly those from El-Qusair, possess potent antibacterial properties. The IC50 values for the cytotoxic activity of natural products extracted with ethyl acetate and petroleum ether against human hepatocellular cancer cell lines (HepG2 cells), human colon carcinoma cell lines (HCT-116 cells), and human breast cancer cell lines (MCF-7 cells) were 62.13, 115.93, and 154.82g/mL, respectively. Using the DPPH free radical scavenging assay in triplicate and average values, the antioxidant activity of the active fraction was determined. Our findings revealed that the ethylacetate extract had the highest percent DPPH scavenging activity compared to petroleum ether extracts. Using GCMS, chromatographic separations of the active ethyl acetate extract were performed to determine the active principles responsible for the activities.

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“…It presently consists of 24 species, mostly distributed in Neotropical areas (Gagné and Jaschhof, 2014;Urso-Guimarães et al, 2014). The genus has been so far associated with 12 plant families: Burseraceae (3 spp.…”

Section: Introductionmentioning

confidence: 99%

Lopesia davillae (Diptera, Cecidomyiidae), a new species of gall midge from Brazil associated with Davilla rugosa (Dilleniaceae)

Maia

Monteiro

2017

Braz. J. Biol.

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Lopesia davillae, a new species of gall midge associated with the reproductive structures of Davilla rugosa (Dilleniaceae), is described and illustrated (larva, pupa, male, female, and damage) based on material collected in Rio de Janeiro, Brazil. This new species is compared with its congeneric species. This is the first record of Lopesia on Dilleniaceae.Keywords: gall midge, insect-plant interaction, Neotropical, taxonomy.Lopesia davillae (Diptera, Cecidomyiidae), uma nova espécie de cecidomiídeo do Brazil associada à Davilla rugosa (Dilleniaceae) ResumoLopesia davillae, uma nova espécie de Cecidomyiidae associada a estruturas reprodutivas de Davilla rugosa (Dilleniaceae), é descrita e ilustrada (larva, pupa, macho, fêmea e dano) com base em material coletado no estado do Rio de Janeiro, Brasil. A nova espécie é comparada com as outras espécies conhecidas do mesmo gênero. Este é o primeiro registro de Lopesia em Dilleniaceae.Palavras-chave: mosquito galhador, interação inseto-planta, neotropical, taxonomia.

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New species of Lopesia (Diptera, Cecidomyiidae) associated with Eichhornia azurea (Pontederiaceae) from Brazil

Cited by 7 publications

References 8 publications

Eichhornia azurea decomposition and the bacterial dynamic: an experimental research

Eichhornia azurea decomposition and the bacterial dynamic: an experimental research

GCMS Separation of the Bioactive Fraction Obtained from Aspergillus flavus Isolated from El-Qussair Marine Environments

Lopesia davillae (Diptera, Cecidomyiidae), a new species of gall midge from Brazil associated with Davilla rugosa (Dilleniaceae)

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