Article
Plant Sciences
Jie Wang, Bingyu Cai, Kai Li, Yankun Zhao, Chunyu Li, Siwen Liu, Dandan Xiang, Lu Zhang, Jianghui Xie, Wei Wang
Summary: Banana Fusarium wilt caused by Fusarium oxysporum f. sp. cubense is a disastrous fungal disease. Strain WHL7 of Streptomyces sp. isolated from marine soft coral showed high antifungal activity against Foc TR4. Fermentation broth of Streptomyces sp. WHL7 significantly increased the resistance of banana plantlets to Foc TR4, making it a potential bioresource for controlling Foc TR4.
Article
Microbiology
Xiaxia Wang, Zhenghua Du, Chanxin Chen, Shuang Guo, Qianzhuo Mao, Wei Wu, Ruimei Wu, Wenbo Han, Peifeng Xie, Yiping Zeng, Wenna Shan, Zonghua Wang, Xiaomin Yu
Summary: In this study, a strain of Streptomyces, named XY006, was found to have strong inhibitory activity against Fusarium oxysporum causing banana wilt disease. Two cyclic lipopeptide homologs, lipopeptin A and lipopeptin B, were identified as the corresponding antifungal metabolites. Pot experiments showed that XY006 successfully colonized banana plantlets and suppressed the incidence of banana wilt disease. Furthermore, XY006 fermentation culture application improved plant growth parameters and induced peroxidase activity, indicating a potential role in inducing resistance.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Microbiology
Niexia Zou, Dengbo Zhou, Yinglong Chen, Ping Lin, Yufeng Chen, Wei Wang, Jianghui Xie, Mingyuan Wang
Summary: This study demonstrated the potential application of the novel Streptomyces sp. strain H3-2 for the management of banana Fusarium wilt, showing high antifungal activity and broad-spectrum effectiveness against other fungal phytopathogens.
FRONTIERS IN MICROBIOLOGY
(2021)
Article
Microbiology
Daojing Yong, Yue Li, Kai Gong, Yingying Yu, Shuai Zhao, Qiong Duan, Cailing Ren, Aiying Li, Jun Fu, Jinfeng Ni, Youming Zhang, Ruijuan Li
Summary: In this study, a strain of Streptomyces sp. sdu1201 isolated from the hindgut of the fungus-growing termite Odontotermes formosanus showed significant antifungal activity against Botrytis cinerea. One of the compounds isolated from this strain, actinomycin D, exhibited strong inhibitory activity against B. cinerea both in vitro and in vivo, making it a potential biocontrol agent for gray mold.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Immunology
Sravani Ankati, Vadlamudi Srinivas, Sambangi Pratyusha, Subramaniam Gopalakrishnan
Summary: The study demonstrated the potential of two different consortia of Streptomyces species in controlling Fusarium wilt disease and promoting growth in chickpea, with inhibition rates of 55% and 74% respectively.
MICROBIAL PATHOGENESIS
(2021)
Article
Plant Sciences
Lu Zhang, Ziyu Liu, Yong Wang, Jiaqi Zhang, Shujie Wan, Yating Huang, Tianyan Yun, Jianghui Xie, Wei Wang
Summary: Banana is an important tropical fruit crop, but banana Fusarium wilt caused by Fusarium oxysporum f. sp. cubense tropical race 4 (Foc TR4) is a highly destructive fungal disease. The use of endophytic microorganisms for biocontrol is seen as a safe and sustainable strategy. Endophytic Streptomyces strains have the potential to enhance plant resistance and promote plant growth through the production of various metabolites.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Biotechnology & Applied Microbiology
Xiaojuan Li, Kai Li, Dengbo Zhou, Miaoyi Zhang, Dengfeng Qi, Tao Jing, Xiaoping Zang, Chunlin Qi, Wei Wang, Jianghui Xie
Summary: Banana Fusarium wilt caused by Fusarium oxyspoum f. sp. cubense (Foc) is highly destructive to the global banana industry, with a lack of effective control methods. Utilizing Streptomyces sp. H4 shows promise in controlling Foc TR4 and promoting the growth of banana seedlings.
BIOLOGICAL CONTROL
(2021)
Article
Microbiology
Zhiguang Qiu, Jay Prakash Verma, Hongwei Liu, Juntao Wang, Bruna D. Batista, Simranjit Kaur, Arthur Prudencio de Araujo Pereira, Catriona A. Macdonald, Pankaj Trivedi, Tim Weaver, Warren C. Conaty, David T. Tissue, Brajesh K. Singh
Summary: Plant core microbiomes consist of persistent key members, but their assemblages can be interrupted by stresses. In this study, the researchers analyzed the soil and plant rhizosphere microbiome of cotton plants in the presence of a specific pathogen. They found that the pathogen directly altered the rhizosphere microbiome, but biocontrol agents enabled microbial assemblages to resist the pathogenic stress. They also identified the pathobiome, which consisted of the pathogen and key associate phylotypes in the cotton microbiome. Isolation and application of some negatively correlated pathobiome members provided protection against plant infection. Field surveys validated the pattern and responses of core microbiomes under pathogen infection.
ENVIRONMENTAL MICROBIOLOGY
(2022)
Article
Agriculture, Multidisciplinary
Praphat Kawicha, Jariya Nitayaros, Prakob Saman, Sirikanya Thaporn, Thanwanit Thanyasiriwat, Khanitta Somtrakoon, Kusavadee Sangdee, Aphidech Sangdee
Summary: In this study, six isolates of Streptomyces-like colony were isolated from soils and their antagonistic activity against phytopathogenic fungi and plant growth-promoting (PGP) activity were assessed. The results showed that these isolates could inhibit the mycelial growth of the pathogens and promote the growth of tomato and banana plants. These isolates could be used as biocontrol and PGP agents for sustainable agriculture.
PLANT PATHOLOGY JOURNAL
(2023)
Article
Plant Sciences
Tianyan Yun, Tao Jing, Dengbo Zhou, Miaoyi Zhang, Yankun Zhao, Kai Li, Xiaoping Zang, Lu Zhang, Jianghui Xie, Wei Wang
Summary: Endophytic actinomycetes show potential as a biological control resource for controlling Fusarium wilt of banana, with strain 5-4 identified as a strong antagonist against Foc TR4 and demonstrating broad-spectrum antifungal activity.
Article
Plant Sciences
Afrasa Mulatu, Negussie Megersa, Demelash Teferi, Tesfaye Alemu, Ramesh Raju Vetukuri
Summary: Coffee wilt disease is a serious threat to small-scale farmers in Ethiopia, and there are currently no effective control measures available. This study developed and evaluated biofungicides derived from Trichoderma species against the causative agent of the disease. The results showed that T. asperellum AU131 and T. longibrachiatum AU158 have high biocontrol efficacy.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Agronomy
Meriem Wafaa Khalifa, Noureddine Rouag, Mariem Bouhadida
Summary: This study isolated Pseudomonas rhizobacteria with plant growth-promoting properties to control chickpea wilt disease caused by Fusarium oxysporum f. sp. ciceris. The isolated rhizobacteria produced antifungal compounds and caused morphological changes in Foc. They also produced various plant-growth-promoting compounds and significantly increased chickpea growth and reduced wilt disease.
Article
Biochemistry & Molecular Biology
Honghong Dong, Ruixiang Gao, Yijie Dong, Qing Yao, Honghui Zhu
Summary: In this study, a bacteria strain with high biocontrol potential, Bacillus velezensis (RC116), was identified and characterized for its ability to control tomato bacterial wilt and tomato Fusarium wilt. RC116 exhibited multiple biocontrol traits, including the production of enzymes, secretion of anti-microbial substances, and ability to degrade organophosphorus compounds. Pot experiments showed that RC116 had a biocontrol efficacy of 81% against tomato bacterial wilt.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Plant Sciences
Govindan Pothiraj, Zakir Hussain, Awani Kumar Singh, Amolkumar U. Solanke, Rashmi Aggarwal, Raman Ramesh, Veerubommu Shanmugam
Summary: The vascular wilt of tomato caused by Fusarium in India is mainly due to Fusarium oxysporum f. spp. lycopersici (Fol), and a biocontrol consortium consisting of Pseudomonas putida, Trichoderma harzianum, and Chaetomium globosum showed promising results in inhibiting the disease, promoting crop growth, and reducing vascular wilt incidence.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Agronomy
Kamal A. M. Abo-Elyousr, Maged M. Saad, Adel D. Al-Qurashi, Omer H. M. Ibrahim, Magdi A. A. Mousa
Summary: Brevibacillus parabrevis and Pseudomonas fluorescens show potential as biocontrol agents against Fusarium wilt in cumin.
Article
Dentistry, Oral Surgery & Medicine
Yannick Coppel, Karim Nasr, Yann Prigent, Genevieve Gregoire
Summary: This study investigated the chemical and structural changes in dentin during the application of a mild universal adhesive. It was found that the etch-and-rinse mode led to a decrease in inorganic apatite and a reorganization of the mineral phase, while the self-etch mode formed a low amount of adhesive phosphate monoesters calcium salt. The adhesive had a similar interaction with dentin collagen in both modes, but the presence of isopropanol as the solvent significantly reduced the amount of free water molecules without significant changes in collagen structure.
Article
Biotechnology & Applied Microbiology
Guendouz Dif, Hadj Ahmed Belaouni, Amine Yekkour, Yacine Goudjal, Nadjette Djemouai, Eliska Penazova, Jana Cechova, Akila Berraf-Tebbal, Ales Eichmeier, Abdelghani Zitouni
Summary: The use of halotolerant beneficial plant-growth-promoting (PGP) bacteria is considered a promising eco-friendly approach to improve salt tolerance in cash crops. This study identified 8 salt-tolerant endophytic bacteria from the roots of Sahara-inhabiting halophytes and found that strain IS26 was the most effective at promoting plant growth and mitigating salt stress in tomato plants. Through genetic analysis, the strain was found to possess various genes related to rhizosphere colonization, plant association, nutrient competition, and the production of important plant growth regulator compounds and stress protection substances. It also had genes related to osmosensing, osmoregulation, osmoprotection, and antioxidant processes. Overall, this strain showed great potential for adaptation to highly saline environments.
WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY
(2022)
Article
Biotechnology & Applied Microbiology
Hadj Ahmed Belaouni, Stephane Compant, Livio Antonielli, Branislav Nikolic, Abdelghani Zitouni, Angela Sessitsch
Summary: Endophytic strains of Bacillus cereus group were isolated from halophytes in Algeria and were found to have the ability to alleviate salt stress in tomatoes and wheat. Comparative genomics analysis of Bacillus sp. BH32 revealed genes related to stress tolerance, antioxidant production, plant growth promotion, and secondary metabolite production.
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY
(2022)
Article
Plant Sciences
Samira Brahimi, Omrane Toumatia, Jean Jacques Drevon, Mohamed Lazali, Abdelghani Zitouni
Summary: Legumes have the ability to fix atmospheric nitrogen with rhizobia, reducing the need for chemical fertilizers and increasing crop productivity. However, low phosphorus availability is a major limitation for legumes. In this study, three faba bean genotypes were investigated for their phosphorus uptake and use efficiency under low phosphorus availability. The results showed that genotypes with higher phosphorus uptake and use efficiency had higher yields and better adaptation to low phosphorus availability.
JOURNAL OF PLANT NUTRITION
(2022)
Article
Biotechnology & Applied Microbiology
Tiziri Badji, Noel Durand, Farida Bendali, Isabelle Piro-Metayer, Abdellah Zinedine, Jalila Ben Salah-Abbes, Samir Abbes, Didier Montet, Amar Riba, Catherine Brabet
Summary: Wheat is the main staple in the Algerian diet, but its consumption can pose serious health concerns due to mycotoxin contamination. This study investigated the ability of lactic acid bacteria (LAB) strains to detoxify aflatoxin B1 (AFB1) and ochratoxin A (OTA), the most common mycotoxins in Algerian wheat and its products. The LAB strains tested were able to effectively reduce the levels of AFB1 and OTA in vitro, suggesting their potential use as additives to reduce mycotoxin contamination in fermented wheat foods.
BIOLOGICAL CONTROL
(2023)
Review
Toxicology
Amina Aloui, Jalila Ben Salah-Abbes, Abdellah Zinedine, Amar Riba, Noel Durand, Jean Christophe Meile, Didier Montet, Catherine Brabet, Samir Abbes
Summary: Mediterranean countries with high temperatures and high humidity provide favorable conditions for fungal growth and mycotoxin production, causing food and feedstuff pollution. Safe and biological methods, such as lactic acid bacteria, yeasts, plant extracts, and clays minerals have been developed for mycotoxin detoxification. This review aims to discuss the pollution of mycotoxins in food and feedstuff and the development of effective biological control using bio-products.
CRITICAL REVIEWS IN TOXICOLOGY
(2023)
Article
Chemistry, Physical
Hamid Ghorbani Shiraz, Zia Ullah Khan, Daniel Pere, Xianjie Liu, Yannick Coppel, Mats Fahlman, Mikhail Vagin, Radoslaw Chmielowski, Myrtil L. Kahn, Magnus Berggren, Xavier Crispin
Summary: We investigated the effect of oxygen poisoning on the efficiency of hydrogen production and found that the oxygenated and intercalated electrocatalyst has a significantly lower exchange current density of the hydrogen evolution reaction compared to the pristine material.
JOURNAL OF PHYSICAL CHEMISTRY C
(2023)
Article
Polymer Science
Fang Yin, Pascale Laborie, Barbara Lonetti, Yannick Coppel, Nancy Lauth-de Viguerie, Jean-Daniel Marty, Stephane Gineste
Summary: Doubly thermo-and pH-responsive PNIPAM-b-PDEAEAM polymers were synthesized by RAFT polymerization. The properties of these polymers and corresponding homopolymers in solution depend on pH and the protonation degree of the diethylamino moiety. The behavior of the polymers is also influenced by the nature of the polymer chain ends. At pH 10, both PNIPAM and PDEAEAM blocks contribute to phase transition and form stable spherical nanoobjects. At pH 4, PNIPAM-b-PDEAEAM with longer PDEAEAM length exhibits a two-step thermoresponsive behavior and forms large aggregates with a positively charged shell.
Article
Engineering, Chemical
Hafsa Yaiche Achour, Cristina Blanco Llamero, Sid Ahmed Saadi, Noureddine Bouras, Abdelghani Zitouni, Javier Senorans
Summary: In recent years, various methods have been studied for the extraction of natural carotenoids. Conventional methods often require a large amount of solvents and a lengthy extraction process. However, pressurized liquid extraction has shown promising results. This study focused on the extraction of carotenoids from the green and orange biomasses of microalga Dunaliella salina DunaDZ1 using different organic solvents and temperatures. The results showed that higher temperatures had a positive effect on extraction yield, while the best antioxidant activity was obtained at a specific temperature and with a certain solvent.
PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Omar Alami, Regis Laurent, Marine Tasse, Yannick Coppel, Jerome Bignon, Said El Kazzouli, Jean-Pierre Majoral, Nabil El Brahmi, Anne-Marie Caminade
Summary: In this study, two families of phosphorhydrazone dendrons were synthesized and characterized. These dendrons were then grafted onto graphene oxide (GO) via click reaction. The resulting materials were tested for their biological properties.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Article
Chemistry, Applied
Amina Aloui, Jalila Ben Salah-Abbes, Abdellah Zinedine, Jean Christophe Meile, Amar Riba, Noel Durand, Didier Montet, Samir Abbes, Catherine Brabet
Summary: Twenty two mycotoxins in 136 durum wheat samples collected from Tunisia in 2020 and 2021 were analyzed using UHPLCMS/MS. In 2020, 60.9% of the samples were contaminated with Aflatoxin B1 (AFB1) and/or enniatin, compared to 34.4% in 2021. AFB1 was only detected in 2020 in the continental region, with all samples exceeding limits. Enniatins were detected in both pre-storage and stored wheat samples, as well as samples collected from the field.
FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE
(2023)
Article
Chemistry, Inorganic & Nuclear
Xinyu Yang, Alejandro Enriquez-Cabrera, Dorian Toha, Yannick Coppel, Lionel Salmon, Azzedine Bousseksou
Summary: A pure mixed-anion Fe(NH(2)trz)(3)(BF4)(SiF6)(0.5) spin crossover complex is obtained through a solid-liquid post synthetic modification approach from the Fe(NH(2)trz)(3)(BF4)(2) parent complex. Highly crystalline powder samples incorporating homogeneous micrometric (1 & mu;m long) rod-shaped particles can be achieved using this method. This compound exhibits an abrupt spin crossover behavior with a narrow (10 K) hysteresis loop centered just above room temperature (320 K), making it highly interesting for integration into various application devices.
DALTON TRANSACTIONS
(2023)
Article
Biology
Amina Matmoura, Amine Yekkour, Mokhtaria Yasmina Boufadi, Noureddine Bouras, Abdelghani Zitouni, Salim Mokrane, Atika Meklat, Carol Verheecke-Vaessen
Summary: This study focused on the biodiversity of actinobacteria in the Mediterranean Sea habitat. The results showed higher diversity in sediment than in seawater. Through 16S rRNA sequencing, ten different genera were identified, with Streptomyces and Micromonospora being the most dominant. The study also discovered a novel species. Furthermore, 36% of the isolates exhibited antibacterial activity against Gram-positive bacteria. Most strains were found to be halotolerant, but did not require seawater for growth.
Article
Food Science & Technology
Hafsa Yaiche Achour, Cristina Blanco Llamero, Sid Ahmed Saadi, Abdelghani Zitouni, Fransisco Javier Senorans
Summary: Microalgae are considered a potential environmentally friendly alternative source of bioactive compounds. This study evaluated the carotenoid composition and antioxidant activity of green and orange biomasses from a new Dunaliella salina strain isolated from an Algerian Salt Lake. The findings showed that ultrasound-assisted extraction with ethyl acetate produced the extract with the highest antioxidant activity.
ANNALS OF THE UNIVERSITY DUNAREA DE JOS OF GALATI, FASCICLE VI-FOOD TECHNOLOGY
(2022)