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Apr 08, 2018Open    AccessArticle

Microbial Inoculants Development for Bioremediation of Gasoline and Diesel Contaminated Soil

Aline Jaime Leal, Edmo Montes Rodrigues, Rita de Cássia Rocha Fernandes, Arnaldo Chaer Borges, Aline Daniela Lopes Júlio, Fernanda de Souza Freitas, Marcos Rogério Tótola
In this study, we describe the development of microbial inoculants for the bioremediation of hydrocarbon-contaminated soils through the enrichment of hydrocarbonoclastic populations in municipal solid waste compost (MSWC). Respirometric analyses were performed along with quantification of total heterotrophic bacteria and ester-linked fatty acid methyl ester (EL-FAME) profiling of the microbial communities o

Mar 15, 2018Open    AccessArticle

Detection of Horizontal Transfer of Housekeeping and Hydrocarbons Catabolism Genes in Bacterial Genus with Potential to Application in Bioremediation Process

Edmo Montes Rodrigues, Fernanda de Souza Freitas, Tatiane de Paula Siqueira
In silico analysis can be useful to infer about the horizontal gene transfer (HGT) as well as to deduce about the evolutionary relations of catabolic genes. In this study, we performed the analysis of two housekeeping genes (fabD and rpoD) and two catabolic gene

Jan 11, 2018Open    AccessArticle

Sargassum, Gracilaria and Ulva Exhibit Positive Antimicrobial Activity against Human Pathogens

Amrit Kumar Mishra
Bacterial resistance to pharmaceutical drugs is on rise, which emphasizes the need for screening of new drugs from natural resources. Seaweeds from the marine ecosystem are important source of bioactive compounds making them one of the major subjects for screening of various pharmaceutical drugs. So here, we assessed the bacterial growth inhibitory functions of four seaweeds Sargassum wightii

Dec 28, 2017Open    AccessArticle

Assessing the Socioecological Perspectives of Eucalyptus Cultivation and Plantation Expansion in Laos

Xayphanya Chanthalath, Liu Yong, Mukete Beckline, Southdavone Inthilath
In Laos, the cultivation of fast growing trees as eucalypts has been promoted due to a rapid decline in natural forest cover. However, this expansion of fast growing trees might not end in a win-win situation for both humans and the environment. This paper examines the social and ecological potentials of Eucalyptus (Eucalyptus

Mar 02, 2017Open    AccessArticle

Effect of Soil Physico-Chemical Properties and Plant Species on Bacterial Diversity in Semi-Arid Parts in Central Sudan. Part III: AL-Gaeli Region, Khartoun North

Hatil Hashim EL-Kamali, Hayat Ibrahim Hassan, Mustafa Siddig Mohamed EL-Kheir
Bacterial diversity and total viable counts of bacteria of the different soil samples from three different localities in AL-Gaeli region, Khartoum North: Kunger, Gary and WadiAb-Gadad sub-regions were carried out. Soil physical and chemical characteristics (pH, EC, SP, soluble cations: Na, K, Ca, Mg and anion P, organic carbon, total nitrogen and soil texture) in each studied sub-regions were measured. Qualitative analysis of micr

Jan 12, 2017Open    AccessArticle

Germination Kinetics in Two Acacia karroo Hayne Ecotypes under Salinity Conditions

Abdenour Kheloufi, Abdelmalek Chorfi, Lahouaria-Mounia Mansouri
Acacia karroo Hayne is the most important woody invader of grassland in South Africa, and is one of the fastest-growing acacias, and produces high-density wood. This study aims to compare the germinative behaviour of A. karroo seeds collected from two ecotypes geographically and climatically different (Coastal and Steppic area) in

Oct 26, 2016Open    AccessArticle

Facilitating the Automatic Characterisation, Classification and Description of Biological Images with the VisionBioShape Package for R

Biel Stela, Antonio Monleón-Getino
Here, we present the VisioBioshapeR package for R [R Core, 2014]. This new library is a comprehensive, multifunctional toolbox designed to automatically analyse biological images. The package extends other common libraries (Momocs, ShapeR) used for biological shape analysis by allowing the user to extract closed contour outlines automatically from reading binary images. Current functionalities of VisioBioshapeR include: random ext

Aug 29, 2016Open    AccessArticle

The Lesser Antilles, True Laboratories for the Study of Forest Systems the Evolution (from the Inventory of Plant Species to the Dynamics of the Anthropized Landscapes)

P. Joseph, K. Baillard
Despite their small size, the French West Indies are characterised by a large number of environments supporting a surprisingly high floristic, ecosystem and landscape diversity. From the foundation of dwelling groups, beginning in the 17th century to the present day, human activities have resulted in the sharp decline of the forest areas. To some extent, the Caribbean forest has become “insularized”. Originally, these fo

Jul 19, 2016Open    AccessArticle

Impact of Urbanization on the Hydrological Cycle of Migina Catchment, Rwanda

Olivier Clement Gatwaza, Xin Cao, Mukete Beckline
In this study, we carry out an assessment of the impact of urbanization on Butare, southern Rwanda and evaluate its effect on the hydrological process at the Migina catchment. We used data from the meteorological stations of the Migina catchment, land-use maps of the region (obtained in 1974 and 2010) and GIS technology in order to analyse hydrological fluctuations in Migina catchment and the expansion of Butare town. We observed