Khelil Aminata

• Professor
• Directrice de recherche at University of Ouargla

Climate change is causing global threats to human life, livelihoods, and agriculture. Human activities are altering greenhouse gas levels, leading to global warming. Industrial agriculture, which relies on pesticides and fertilizers, has led to food security but reduces biodiversity and soil depletion. The Intergovernmental Panel on Climate Change...

In agriculture, it offers more advantages and solution to the problems of management and control of phytopathogens. Nano-tools reduce the negative impact of fungicides and their losses. Indeed, The innovation of new structures and potent nano-formulations ensure proper and improved delivery of promising and effective pesticides, nutrients, and even...

Wheat, indigenous mycorrhizal fungi, biofertilization, chemical fertilization, inoculation. Among the sustainable and more respectful alternative strategies for man and his environment, arbuscular mycorrhizal fungi are used to limit or reduce fertilizers constitutes a problem in terms of cost and damage to the environment and soil. This study evalu...

In this study, the physicochemical indexes, phytochemical screening by thin layer chromatography of essential oils (EOs) obtained from C. limon L. and C. sinensis peels and their antioxidant, antihemolyticand antibacterial activities were investigated. The highest yield (0.71%), density (0.918 ±0.05), refractive index (1.974±0.02), saponification v...

Introduction: The emergence and rapid spread of Enterobacteriaceae carrying extended spectrum beta-lactamases (ESBLs) and carbapenemases represent a great threat to clinical treatment due to their multi-drug resistance. This study investigated ESBLs and carbapenemases encoding genes in Enterobacteriaceae collected from diabetic foot infections (DF...

Camel urine has been widely used in the biomedical field as a traditional healing liquid for several health disorders, this study aims to evaluate the antioxidant activity of camel urine and its association with the breeding and the feeding system. Urine samples were collected from domestic (from private farms) and desertic camels, where spectropho...

Few studies were dedicated to characterizing the dromedary milk (DM) as consumed by Bedouins, mixed with a small amount of dromedary urine (DU). Therefore, this work aimed to reveal some physical and biochemical characteristics of the DM alone, and incorporated with DU at two different concentrations. pH, colour, Brix, fats, and minerals were evalu...

Zygophyllum album L. known as "Agga" in vernacular Algerian dialect is one of great traditional remedies used by the native populations, as a treatment for skin diseases, indigestions and diabetes. This medicinal specie is drought resistant and salt tolerant, it plays an important role against desertification, reforestation of degraded lands and so...

To cope with the rising food demand, modern agriculture practices are based on the indiscriminate use of agrochemicals. Although this strategy leads to a temporary solution, it also severely damages the environment, representing a risk to human health. A sustainable alternative to agrochemicals is the use of plant metabolites and plant-based pestic...

Nowadays, the exploitation of the oil fields and gas wells has transformed the Algerian Sahara into a special economic zone. Geologic evolution of the Algerian Desert is not limited to economic benefits, this vast desert contains various unexploited ecosystems. In other words, desert ecosystems are controlled by several extreme environmental condit...

Allelochemicals involved in plant-plant interaction (Allelopathy) are a potential source for alternative agrochemicals to solve the negative effects caused by synthetic herbicides. The present study is focused on the prediction and evaluation of allelopathic plants species in Saharan ecosystem from the Souf region in the southeastern of Algeria. Th...

2 Faculté des sciences de la nature et de la vie Univ. KasdiMerbah Ouargla (Algérie). 3 Laboratoire de protection des écosystèmes en zones arides et semi arides. Univ. KasdiMerbah Ouargla Résumé : Ce travail vise à étudier quelques paramètres physicochimiques des huiles essentielles(HEs)extraitesde Cymbopogonschoenanthus, tels queles propriétés org...

Themes 1/ Environmental conservation and sustainable development (forestry, reforestation, conservation of fragile species, national parks-protected areas-wetlands and endemic species). 2/ Biodiversity and urban ecosystem. 3/ Biotechnology and plant development Agriculture Algerian journal of Biosciences (AJB)

Ethnopharmacological relevance Launaea arborescens, its vernacular name is Mol-albina belonging to asteracaea family origin of the southwest of Algeria. This plant is used in folk medicines to treat gastroenteritis, diabetes, child aliment and other diseases; it is taken macerated or boiled. Aim This study aims to evaluate the anti-inflammation an...

Abstract Ethnopharmacological relevance Launaea arborescens, its vernacular name is Mol-albina belonging to asteracaea family origin of the southwest of Algeria. This plant is used in folk medicines to treat gastroenteritis, diabetes, child aliment and other diseases; it is taken macerated or boiled. Aim This study aims to evaluate the anti-inflamm...

Inflammations and pain have always been the cause of serious health problems; to treat these problems, the population in south west of Algeria use medicinal plants as an alternative way. Within the same framework, the aim of this study is to explore the potential of aqueous extract of Launaea nudicaulis for their anti-inflammatory and analgesic act...

One of the molecular devices practised recently has been the fusion of RNA interference (RNAi) into some agricultural products. It is a definite genetic controlling system recognized in eukaryotes. Through this system, certain exogenous pathogens are neutralized by deactivating the expression of target genes. The decisive factor for the progress of...

Zinc nanoparticles (Zn NPs) and zinc oxide nanoparticles (ZnO NPs) are among the most studied nanoparticles. The unique physicochemical, structural, and photocatalytic properties of ZnO NPs make them attractive as promising antifungals against toxigenic molds. The interesting antifungal properties of ZnO NPs are due to the increase in the specific...

L'étude de la toxicité des huiles essentielles brutes foliaires de Peganum harmala L. récolté à Oued M'Zab dans la région de Ghardaïa (Sahara septentrional Est algérien), sur les larves L 5 et les individus adultes du Criquet pèlerin, laisse remarquer un effet toxique chez ce locuste du désert. Après traitement, des larves du cinquième stade et des...

The increase in deterioration of the aquatic environment and the reduction of potable water reserves, recycling and reuse of wastewater has become a necessity to solve the problems mentioned. The wastewater discharged into the nature is accommodated by a wide range of chemicals which makes their impact fractious thereafter, notably in developing co...

The use of inorganic nanomaterials in different fields has seen very remarkable and rapid development in recent years. The synthesis of cheaper, environmentally friendly, and less toxic nanomaterials with controlled dimension, form, and composition is a challenge for scientists. The main approaches applied in the fabrication of inorganic nanopartic...

Due to the notable medicinal value of Searsia tripartita and Limoniastrum guyonianum, it was of great interest to conduct phytochemical and antioxidant investigations. Polyphenol extracts of the dried powder of plants were prepared by maceration in 70% of methanol. The concentrated extracts were successively fractioned with distilled water, ethyl a...

The aim of the study is the research and identification of a Streptomyces strain as a new producer of spectinabilin, undecylprodigiosin and metacycloprodigiosin. Among 54 actinomycete isolates isolated from El-Ogbane forest soils in Algeria, only one isolate, designated V002, was selected for its ability to produce prodigiosins. The selected strain...

The use of arbuscular mycorrhizal fungi (AMF) is considered as a safe solution in agriculture to reduce the use of toxic chemicals in our environment. The present study aimed to evaluate the density and diversity of AMF associated with date palms (Phoenix dactylifera L.). Rhizospheric soil samples were collected from four sites of date palm groves...

Abstact The objective of the present study is developing a new technique for the preservation of natural cheese by the use of an edible biofilm based on sodium alginate in order to evaluate the effect of the essential oils (O. basilicum L, R. officinalis L. A. herba alba Asso. M. pulegium L.) incorporated in the film on the oxidation stability, mic...

Culturally the consumption of camel milk and urine separately or mixed by the Algerian Saharan population for being a therapeutic choice against various health disorder is quite popular. The aim of this study was to investigate the Antioxydant activities of camel milk incorporated with urine at two deferent concertation (10 and 20 % v/v), hydrolyze...

Culturally the consumption of camel urine by the Algerian Saharan population for being a therapeutic choice against various health disorder is quite popular. The aim of this study was to investigate the neuroprotection and the Antioxydant activities of camel urine collected from the region of Ouargla-Algeria, hydrolyzed by digestion enzymes. by eva...

Bayoud disease caused by Fusarium oxysporum f. sp. albedinis (FOA) poses a major problem to date palm (Phoenix dactylifera L.) in Northern Africa. To solve this issue, biocontrol agents and chemicals inducers were used to trigger defense reactions. The present study indicates the direct effect of two antagonistic fungi, Trichoderma harzianum (TH) a...

Pistacia lentiscus, Artemisia herba-alba and Citrullus colocynthis are medicinal plants known for a long time in herbal medicine. Here we review their bioactive substances and pharmacological effects from 215 literature articles. Species contain essential oils, oils and phytochemicals such as cucurbitacin, gallic-acid, quercetin, masticadienonic ac...

Mycotoxins and their derivatives constitute a toxic group of bioproducts for human and animals’ health, they induce economic losses in cereals and stored food products. The knowledge of the biosynthetic mechanisms of mycotoxins are important to improve food quality. Polyketides are the first precursors, they are synthesized by a variety of multifun...

Malvaaegyptiaca L. (Malvaceae), a spontaneous plant used as a traditional medicine in Ghardaïa (SeptentrionalSahara Algerian). This paper reports the extraction and partial characterization of water-soluble polysaccharides from M.aegyptiaca leaves. These polysaccharides were obtained by elimination of the ethanol extract and sequential extraction i...

The aim of this work was the extraction of essential oils (EOs) from Mentha aquatica by using the hydrodistillation technique in order to study their biological activities including antimicrobial activity and antioxidant activity. The extracted material of essential oils was 5.136%. These essential oils had a liquid aspect, white color and aromatic...

The study was conducted to investigate the effects of pesticides Metribuzin (Triazinone herbicide) which is used worldwide as an ecotoxic herbicide and is the most widely used in Algeria and in random ways without respect for the doses approved, on oxidative stress and liver structure in rats. About 30 female rats Wistar albinos divided into five g...

The study was conducted to investigate the effects of pesticides Metribuzin (Triazinone herbicide) which is used worldwide as an ecotoxic herbicide and is the most widely used in Algeria and in random ways without respect for the doses approved, on oxidative stress and liver structure in rats. About 30 female rats Wistar albinos divided into five g...

The aim of this study was to develop sodium alginate based active films incorporated with essential oils (EO) of R. officinalis L, A. herba alba Asso, O. basilicum L and M. pulegium L. the films were characterized in terms of bioactive properties including thickness, moisture content, water vapor and oxygen permeability, release test, mechanical, m...

The contamination of foodstuffs by fungi and their mycotoxins, emergence of resistance to fungicides and unwanted side effects of pesticides on human and animal health currently present a challenge for researchers to create and innovate new and better solutions to fight against mycotoxigenic fungi with less harmful effects on the consumer and the e...

The advent and fast development of nanobiotechnology have abundantly animated innovative discoveries and has revolutionized many areas. Nanomaterials, with their advanced systems and unique mechanical, electronic and biological properties, have develop into promising platforms for a wide range of applications. Fullerene, carbon nanotubes, graphene...

L'étude de la toxicité des extrais foliaires de Cleome arabica L. vis-à-vis des larves L 5 et des imagos du Criquet du désert, met en exergue le pouvoir biocide des extraits testés chez ce locuste. Un pourcentage de mortalité de 100% est noté chez les individus traités. Chez les individus nourris par des feuilles traitées de chou à l'extrait acéton...

Mycotoxins and mycotoxinogenic molds are responsible for mycotoxicosis in humans and animals. Some mycotoxicoses are chronic and lead to very serious and worrying diseases, such as cancer. High humidity and the ambient temperature are key factors in the biosynthesis of these toxins in foods, but the toxins can be detected in foodstuffs in dry areas...

There are alarming reports of the presence of mycotoxins and the induction of mycotoxicoses in the vital organs of humans and animals, as well as economic loss due to reduced crop yields. In light of these problems, mycotoxin detoxification has become mandatory for the production of healthy products. As the potential for prevention can be absent or...

Purpose Bioremediation using microorganisms is a promising strategy to remediate soil with petroleum hydrocarbons. Streptomyces sp. Hlh1, an endophytic strain, has previously demonstrated the ability to degrade crude petroleum in liquid culture. To apply this strain at field scale, it is necessary to test its ability to colonize the soil, compete w...

Pomegranate (Punica granatum L.) belonging to the Lythraceae family is commonly known as Rommane (Arabe). It is an edible fruit, cultivated in Algeria country for its interests as a nutritional and medicinal product useful for treating a wide range of health maladies. The present work focuses to evaluate the phenolic composition and antioxidant act...

Pomegranate (Punica granatum L.) belonging to the Lythraceae family is commonly known as Rommane (Arabe). It is an edible fruit, cultivated in Algeria country for its interests as a nutritional and medicinal product useful for treating a wide range of health maladies. The present work focuses to evaluate the phenolic composition and antioxidant act...

Journée d'étude sur la chimie verte et substances bioactives El OUED : 17 Avril 2018 'v. J Le président de la journée d'étude sur la chimie verte et substances bioactives atteste que (Mme/Melle) : BAAHBOUB Nasma. A participé avec une communication affichée intitulée : Analyse des composés phénoliques par chromatographie liquide à haute performance...

Journée d'étude sur la chimie verte et substances bioactives El OUED : 17 Avril 2018 'v. J Le président de la journée d'étude sur la chimie verte et substances bioactives atteste que (Mme/Melle) : BAAHBOUB Nasma. A participé avec une communication affichée intitulée : Analyse des composés phénoliques par chromatographie liquide à haute performance...

A potential biosurfactant producing endophytic bacterial strains were recovered from roots of plants grown in crude oil polluted soil. Three methods were used to detect biosurfactant production; blood agar lysis, Methylene blue cetyl-trimethyl ammonium bromide (MB-CTAB) agar and Emulsification activity (E24). Among Seven isolates, over than 55% bac...

Le 1142 CctoWe 2017 Séminaire A/atic>naI sur la Valorisation Jes Substances A/aturelIes Le directeur du Séminaire National sur la Valorisation des Substances Naturelles aiiesit que: M/w^. MAHBOUB Nasma présenté une communication ^fficRée intitulée: L'impact des modes de séchage sur l'activité antibacterienne d'une plante médicinale du Sahara septen...

Petroleum hydrocarbons are well known by their high toxicity and recalcitrant properties. Their increasing utilization around worldwide led to environmental contamination. Phytoremediation using plant-associated microbe is an interesting approach for petroleum degradation and actinobacteria have a great potential for that. For this purpose, our stu...

Le 1142 CctoWe 2017 Séminaire A/atic>naI sur la Valorisation Jes Substances A/aturelIes Le directeur du Séminaire National sur la Valorisation des Substances Naturelles aiiesit que: M/w^. MAHBOUB Nasma présenté une communication ^fficRée intitulée: L'impact des modes de séchage sur l'activité antibacterienne d'une plante médicinale du Sahara septen...

The main object of the present study was to investigate the impact of different drying methods (shade, lyophilazation, oven, solar drayer) on the antioxidant and antibacterial activities of Oudneya africana (spontaneous medicinal plants) in the Northern Algerian Sahara. The experiments were based on draying the leaves by four different methods (in...

Objectives: The aim of this study was to investigate the molecular epidemiology and the genetic support of carbapenem-resistant Enterobacteriaceae and Acinetobacter spp. isolates collected in the University Hospital of Ouargla, southern Algeria. Methods: A total of 99 Gram-negative bacteria (GNB) were collected from stool samples of colonised pa...

Mycotoxins and their derivatives since their discoveries and until the present time are behind unspecified economic and medical damages. Aflatoxins are classified according to their physical-chemical and toxicological characters in the most dangerous row of the mycotoxins. These aflatoxins are in part responsible, of irreversible medical disasters...

Cherif R., A. Kemassi, Z. Boual, N. Bouziane, F. Benbrahim, A. Hadjseyd, T. Gharib, A. Ould el Hadj-Khelil, M.L. Sakeur et M.D. Ould el Hadj. 2016. Biological activity of aqueous extracts of Pergularia tomentosa L. (Asclepiadaceae). Lebanese Science Journal, 17(1): 27-37. This study focuses on the allelopathic potential of the aqueous extract, obta...

The main objectif of the present study was to investigate he effectect of different draying methods on the biochemical characteristics of tow spontaneous medicinal plants (Asphodelus tenuifolius and Retama retam retam) in the region of Ouargla and Ghardaïa. In addition to studding their biochemical compounds. The experiments was based on draying th...

An ethnopharmacological survey was performed in the Ouargla region (northeast of Algerian Sahara) to document ethnomedicinal knowledge and to catalogue the medicinal plants used to treat diabetes mellitus. We conducted in-person interviews of 289 diabetic patients, 25 herbalists and 10 healers in eight different areas of the Ouargla region. The res...

Recent studies have shown the importance of natural plant products as fungicidal agents for crop protection. In fact, fungal pathogens associated with plant diseases account for great losses in crop production. Moreover, some phytopathogenic fungi are able to produce a wide range of mycotoxins, characterized by strongly negative effects on human an...

Dans le but d’apprécier la qualité microbiologique de la viande de dromadaire produite à l’abattoir de la wilaya de Ouargla en Algérie, la contamination superficielle d’origine bactérienne de 60 carcasses camelines a été évaluée. Les prélèvements ont été réalisés par écouvillonnage de trois sites (cuisse, flanc et épaule). Les échantillons ont été...

Les paramètres physico-chimiques au cours de la maturation de quatre muscles (semitendinosus [ST], rectus femoris [RF], longissimus thoracis [LT] et semimembranosus [SM]), conservés à 4 °C, ont été mesurés chez des dromadaires mâles (10 jeunes de trois à quatre ans et 10 adultes de plus de cinq ans) de race Sahraoui. Une diminution de la températur...

La présente étude porte sur l'évaluation des extraits aqueux d'Euphorbia guyoniana sur la mortalité des larves de Culex pipiens. L'extrait d'E. guyoniana à forte concentration (100%, 75%, 50%, 25%) engendre un pourcentage de mortalité larvaire de 100%. Bien que des pourcentages de mortalité de 86,67%,73% et 63% sont noté au niveau des lots traités...

The microbial growth of certain bacteria contaminating camel and sheep meat, kept under refrigeration was evaluated. The samples were collected at the Ouargla slaughterhouse. The selected compartment for monitoring was the thigh (most demanded by consumers of the region). The shelf life of the two types of meats studied was five days against the to...

L’enquête ethnobotanique menée auprès des herboristes, tradithérapeutes, botanistes, vieux guérisseurs et les pharmaciens de la vallée de M’Zab (région de Ghardaïa Sahara septentrional Est algérien) a permis de recenser 33 espèces réparties dans19 familles botaniques qui sont utilisées dans la préparation de 20 recettes thérapeutiques utilisées en...

The biological activity of crude leaf essential oil of Peganum harmala L. collected from Oued M'Zab in Ghardaïa region (Algerian septentrional Sahara), on the larvae L5 and adult individuals of desert locust, showed a toxic effect in the desert locust. After treatment, the fifth stage larvae and imagos of S. gregaria, by crude extracts of P. harmal...

Skin, gynecological and lung infections are caused by microorganisms exist in the world. The treatment of these infections is mainly based on the use of synthetic drugs that become, in recent years, ineffective, due to the resistance of bacterial strains and the proliferation of opportunistic fungi. The aim of this study is to test in vitro the ant...

Plant extracts and their constituents have a long history as antifungal agents, but their use in biotechnology as preservatives, due to the increasing resistance of fungi to fungicides, has been rarely reported. The aim of this study was to assess in vitro antifungal and antimycotoxigenic power of methanolic and aqueous extracts of Citrullus colocy...

Anti-mycotic activity of the methanolic and aqueous extracts from Algerian Colocynth (Citrullus colocynthis L. Schrad) seed parts were screened in vitro against four important plant pathogenic fungi, namely, Aspergillus flavus, Aspergillus ochraceus, Aspergillus fumigatus and Aspergillus niger, using micro-dilution technique in the broth medium aft...

This study examines the effect by ingestion of leaf cabbage sprayed with crude acetone extract of Euphorbia guyoniana leaves harvested in the Algerian Sahara on some biological parameters of larvae L5 and adult of desert locusts. The ingestion of cabbage leaves soaked in acetone extract of this Saharan plant generates a 100% mortality in larvae L5...