Article
Plant Sciences
Xiaodi Liu, Zengwei Feng, Wei Zhang, Qing Yao, Honghui Zhu
Summary: A recent study shows that exogenous lipids can significantly stimulate the growth and colonization of AMF hyphae, leading to increased contact opportunities with plant roots. However, exogenous myristate inhibits the growth range and host tropism of germ tubes, thus impacting the nutrient exchange between symbionts.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Plant Sciences
Lan Li, Qianying Liu, Shibei Ge, Mingjia Tang, Liqun He, Yuwen Zou, Jingquan Yu, Yanhong Zhou
Summary: Auxins are a class of plant hormones that play roles in the establishment and maintenance of arbuscular mycorrhizal symbiosis (AMS). In this study, it was found that the transcription factors ARFs and AUX/IAAs in the auxin signaling pathway co-regulate the transcription of auxin response genes, highlighting their importance in the early stage of AMS. Additionally, SlARF6 was found to negatively regulate AMF colonization, while SlIAA23 promoted AMS and phosphorus uptake by interacting with SlARF6. Furthermore, SlARF6 and SlIAA23 played opposing roles in strigolactone synthesis and accumulation in AMF-colonized tomato roots.
PLANT CELL AND ENVIRONMENT
(2023)
Article
Plant Sciences
Shuming Ju, Nana Wang, Meng Chen, Jingru Wang
Summary: The study demonstrated that AMF can promote the absorption of silicon in tomato plants, with differing effects depending on the strain of AMF. The concentration of different forms of silicon in tomato rhizosphere soil was found to be in the order of citric acid-Si > NaOAc-HAc-Si > Oxalic acid-ammonium oxalate-Si > Na2CO3-Si > Na2HCO3-Si. AMF inoculation was shown to regulate the conversion of different silicon fractions in the rhizosphere soil.
SOIL SCIENCE AND PLANT NUTRITION
(2021)
Review
Biochemistry & Molecular Biology
Maria V. Aparicio Chacon, Judith Van Dingenen, Sofie Goormachtig
Summary: Plants can be colonized by fungi with both harmful and beneficial effects. One way the fungi colonize is by secreting effector proteins that change the plant's physiology to suit the fungus. Arbuscular mycorrhizal fungi (AMF), the oldest plant symbionts, may benefit from using effectors. Recent research has focused on understanding the function, evolution, and diversification of AMF effectors through genome analysis and transcriptomic studies. However, only a small fraction of the predicted effector proteins have been characterized, limiting our understanding of how they manipulate their host plants and which plant proteins they interact with.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Plant Sciences
Yu Wang, Wenze Zhang, Weikang Liu, Golam Jalal Ahammed, Wenxu Wen, Shirong Guo, Sheng Shu, Jin Sun
Summary: This study demonstrates that inoculation of AMF in continuous cropping substrates promotes tomato seedling growth and root development, with increased NADP-ME activity. Transcriptome analysis showed enrichment in the plant hormone signal transduction pathway and identification of genes related to IAA. Overall, the study suggests that IAA mediates the effects of AMF on tomato growth and NADP-ME expression in continuous cropping substrates.
Article
Plant Sciences
Chase A. Stratton, Swayamjit Ray, Brosi A. Bradley, Jason P. Kaye, Jared G. Ali, Ebony G. Murrell
Summary: The study found that arbuscular mycorrhizal fungi (AMF) can enhance maize defense response by increasing the expression of mpi and pr5, rather than solely increasing plant nitrogen and phosphorous content. Fertilization treatments did not alter the upregulation of induced defense genes, suggesting that the mechanism through which AMF upregulate defenses is not solely via increased plant nutrition.
Article
Soil Science
Iver Jakobsen, Lisa Munkvold Murmann, Soren Rosendahl
Summary: The study investigated the impact of two fungicides on the performance of arbuscular mycorrhizal fungi (AMF) and found that low doses of the fungicides enhanced root colonization by AMF, while high doses suppressed their performance. The fungicides generated biphasic response curves in irradiated soil, indicating a hormetic effect on AMF.
SOIL BIOLOGY & BIOCHEMISTRY
(2021)
Article
Biology
Emily Leggatt, Alistair Griffiths, Simon Budge, Anthony D. D. Stead, Alan C. C. Gange, Paul E. F. Devlin
Summary: The study found that the addition of AMF significantly influenced the expression of seven terpene synthases in all rosemary cultivars, without impacting plant size and uniformity. Two methods for AMF application were also tested in this study.
Article
Biochemistry & Molecular Biology
Dehua Liao, Chao Sun, Haiyan Liang, Yang Wang, Xinxin Bian, Chaoqun Dong, Xufang Niu, Meina Yang, Guohua Xu, Aiqun Chen, Shuang Wu
Summary: The study reveals that SlSPX1 serves as the major repressor of AM symbiosis in tomato under phosphate-replete conditions by interacting with a group of SlPHR proteins. The functional redundancy of SlPHR proteins is shown, with no defective AM symbiosis detected in single mutants, but reduced AM colonization observed when SlPHR4 is silenced in the SlPHR1 mutant background.
Article
Biochemistry & Molecular Biology
Sergio Molinari, Masoud Akbarimotlagh, Paola Leonetti
Summary: Commercial formulations containing arbuscular mycorrhizal fungi (AMF) can promote growth and resistance against root-knot nematodes (RKNs) in tomato plants. Treatment with Myco2 dose resulted in significant increase in plant weight and repression of nematode infection, while Myco1 and Myco3 treatments showed less effect. Myco2 treatment led to AMF colonization in roots and over-expression of AMF-related genes at early stages.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Plant Sciences
Eva F. Leifheit, Anika Lehmann, Matthias C. Rillig
Summary: Microplastics have diverse effects on soil and plant growth, altering soil structure and microbial activity, which in turn affects the abundance and activity of arbuscular mycorrhizal fungi. The impacts of microplastics may also change how plants respond to other global change factors, highlighting the need for further research on their overall impact on ecosystems.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Environmental Sciences
Minha Naseer, Ying Zhu, Feng-Min Li, Yu-Miao Yang, Song Wang, You-Cai Xiong
Summary: This study found that iron nanoparticles can significantly enhance the growth-promoting and drought-tolerant effects of arbuscular mycorrhizal fungi on wheat, which is attributed to the increased root colonization rate, water use efficiency, and photosynthetic rate.
ENVIRONMENTAL POLLUTION
(2022)
Article
Plant Sciences
Andrea Corona Ramirez, Sarah Symanczik, Tabea Gallusser, Natacha Bodenhausen
Summary: Quantitative polymerase chain reaction (qPCR) is a reliable and high-throughput method for assessing the symbiotic relationship between arbuscular mycorrhizal fungi (AMF) and plants. This study compared qPCR with the traditional microscopy method and found a strong correlation between the two methods for wheat (cv. Colmetta and Wiwa) and tomato, but not for leek, highlighting the importance of testing the primer pair for each specific crop.
Article
Microbiology
Lei Wang, Xin Chen, Yeqin Du, Di Zhang, Zhanhui Tang
Summary: This study investigated the effects of different AMF inoculation treatments on the growth and reproductive performance of cherry tomato under three nutrient levels. The results showed that nutrient levels and AMF had interactive effects on flower characteristics, fruit yield, resource allocation, and seed germination of the cherry tomato. In addition, AMF could promote sexual reproductive investment. Nutrient levels and AMF also affected the accumulation of nitrogen and phosphorus in cherry tomato. The findings suggest that the effects of AMF mycorrhizal on the traits of cherry tomato are regulated by nutrients.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Plant Sciences
Nguyen Hong Duc, Viktor Szentpeteri, Zoltan Mayer, Katalin Posta
Summary: Arbuscular mycorrhizal (AM) fungi can alleviate individual drought and heat stress in host plants. Different AM fungi have varying effects on tomato endurance under combined drought and chronic heat as well as combined drought and heat shock. S. constrictum colonization shows the greatest enhancement in host plant physiology and biochemical parameters.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2023)
Article
Chemistry, Applied
Ari Satia Nugraha, Ludmilla Fitri Untari, Annegret Laub, Andrea Porzel, Katrin Franke, Ludger A. Wessjohann
Summary: An extensive phytochemical study of a foliose lichen from Indonesia, Parmelia cetrata, led to the isolation of 13 phenol and depside derivatives, including 3 previously unreported compounds. These compounds showed anti-infective activity against a gram-negative bacterium and a nematode, indicating potential medicinal value.
NATURAL PRODUCT RESEARCH
(2021)
Article
Agriculture, Multidisciplinary
Hanane Boutaj, Abdelghani Chakhchar, Abdelilah Meddich, Said Wahbi, Zainab El Alaoui-Talibi, Allal Douira, Abdelkarim Filali-Maltouf, Cherkaoui El Modafar
Summary: The autochthonous mycorrhizal consortium Rhizolive significantly reduced disease severity and incidence, as well as defoliation rate, in olive trees infected with Verticillium dahliae. This consortium enhanced lignin deposition and phenylpropanoid pathway activity, contributing to the suppression of the pathogen.
JOURNAL OF PLANT DISEASES AND PROTECTION
(2021)
Article
Agronomy
Raja Ben-Laouane, Mohamed Ait-El-Mokhtar, Mohamed Anli, Abderrahim Boutasknit, Youssef Ait Rahou, Anas Raklami, Khalid Oufdou, Said Wahbi, Abdelilah Meddich
Summary: This study investigated the response of alfalfa to the application of indigenous arbuscular mycorrhizal fungi (AMF), rhizobium strain and green compost. The results showed that the combined use of these biofertilizers significantly improved plant yield, nutrient uptake, physiological traits, and soil quality. This indicates the potential importance of the interaction between green waste compost, AMF and rhizobium inoculation in sustainable alfalfa agriculture.
Article
Plant Sciences
Sebastian Zabel, Wolfgang Brandt, Andrea Porzel, Benedikt Athmer, Stefan Bennewitz, Petra Schaefer, Ruy Kortbeek, Petra Bleeker, Alain Tissier
Summary: In this study, two derivatives of 7-epi-zingiberene produced in glandular trichomes of wild tomato species were identified and characterized, showing significant toxicity against whiteflies and various microorganisms. The identification of the gene coding for the enzymes responsible for these derivatives in wild tomato species provides potential for introducing this trait into cultivated tomatoes through precision breeding, offering protection against a wide variety of organisms.
Article
Biochemistry & Molecular Biology
Mohamed A. Farag, Mohamed G. Sharaf El-Din, Mohamed A. Selim, Asmaa I. Owis, Sameh F. Abouzid, Andrea Porzel, Ludger A. Wessjohann, Asmaa Otify
Summary: Legume sprouts, rich in phytochemicals, were analyzed using NMR for metabolite fingerprinting, identifying various metabolites for quality control purposes. Different legume sprouts showed unique metabolite profiles, with isoflavones in Cicer sprouts and 4-hydroxyisoleucine in Trigonella sprouts. Trigonelline was a common alkaloid found in all sprouts, with the highest levels in Trigonella sprouts, indicating its potential role in seed germination. The aromatic NMR region data provided better classification power due to variations originating from secondary metabolites.
Article
Plant Sciences
Abdelilah Meddich, Youssef Ait Rahou, Abderrahim Boutasknit, Mohamed Ait-El-Mokhtar, Abdessamad Fakhech, Soufiane Lahbouki, Wissal Benaffari, Raja Ben-Laouane, Said Wahbi
Summary: The study demonstrates that combining PRD75%, PRD50%, and RDI50% with AMF can effectively enhance the growth, physiology, and biochemistry of melon plants under water stress.
Article
Agronomy
Kamal Lamnai, Fatima Anaya, Rachid Fghire, Hamza Zine, Said Wahbi, Kenza Loutfi
Summary: The study found that irrigation with saline water negatively affected the growth of strawberry plants, while the exogenous application of salicylic acid reduced hydrogen peroxide accumulation and electrolyte leakage, increased antioxidant enzyme activities, and improved plant growth and salt tolerance.
Article
Ecology
Soufiane Lahbouki, Raja Ben-Laouane, Mohamed Anli, Abderrahim Boutasknit, Youssef Ait-Rahou, Mohamed Ait-El-Mokhtar, Soumaya El Gabardi, Allal Douira, Said Wahbi, Abdelkader Outzourhit, Abdelilah Meddich
Summary: This study provides insights into the effects of arbuscular mycorrhizal fungi (AMF), vermicompost (Vc), and their combination on growth and biochemical responses of prickly pear under severe water stress. The results demonstrate that the use of AMF and Vc can effectively mitigate growth limitations and improve physiological and biochemical parameters of prickly pear under drought stress. The AMF + Vc treatment showed the highest AMF colonization and growth parameters under drought stress conditions. The application of these biostimulants increased physiological and biochemical parameters, while reducing levels of malondialdehyde (MDA) and hydrogen peroxide (H2O2) in plants, particularly in the AMF + Vc treatment.
JOURNAL OF ARID ENVIRONMENTS
(2022)
Article
Plant Sciences
Badia Aganchich, Said Wahbi, Abderrahmane Yaakoubi, Hanan El-Aououad, Josefina Bota
Summary: In Mediterranean regions with limited agriculture water resources, this study examined the response of mychorrizal olive plants to two water-saving irrigation techniques and found that olive plants inoculated with arbuscular mycorrhizal fungi showed better growth indices and physiological conditions under drought.
SOUTH AFRICAN JOURNAL OF BOTANY
(2022)
Article
Plant Sciences
Hagen Stellmach, Robert Hose, Antonia Raede, Sylvestre Marillonnet, Bettina Hause
Summary: Fluorescence-based approaches with fusion proteins enable efficient localization of proteins in plant cells and provide insights into their physiological functions. We have developed a set of vectors containing markers for basic cell organelles using Golden Gate cloning, allowing for easy insertion of the gene of interest and fusion with a fluorescent protein. These vectors can be used for localization studies and transient transformation experiments.
Article
Polymer Science
Fatima El Amerany, Mohammed Rhazi, Gerd Balcke, Said Wahbi, Abdelilah Meddich, Moha Taourirte, Bettina Hause
Summary: This study demonstrates that the application of chitosan can enhance metabolism in plants and affect various physiological processes, including stomata aperture, cell division and expansion, fruit maturation, mineral assimilation, and defense responses.
Article
Biochemistry & Molecular Biology
Haiyue Ai, Julia Bellstaedt, Kai Steffen Bartusch, Lennart Eschen-Lippold, Steve Babben, Gerd Ulrich Balcke, Alain Tissier, Bettina Hause, Tonni Grube Andersen, Carolin Delker, Marcel Quint
Summary: Roots are able to sense and respond to elevated temperature independently of shoot-derived signals. This response is mediated by an unknown root thermosensor that uses auxin as a messenger to relay temperature signals to the cell cycle. Growth promotion is primarily achieved by increasing cell division rates in the root apical meristem, dependent on de novo local auxin biosynthesis and temperature-sensitive organization of the polar auxin transport system.
Article
Biochemistry & Molecular Biology
Minh Bui Manh, Charlotte Ost, Edgar Peiter, Bettina Hause, Karin Krupinska, Klaus Humbeck
Summary: The plant-specific ssDNA-binding protein WHIRLY1 is located in both chloroplasts and the nucleus, serving as a retrograde signal transmitting stress signals from chloroplasts to the nucleus and triggering stress-related gene expression there. In this study, the overexpression of WHIRLY1 in barley delayed the onset of senescence in response to drought stress. WHIRLY1 also affected ABA-related gene expression and histone modifications, functioning as a hub in balancing stress-related and developmental pathways.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Agronomy
Tawfik El Moussaoui, Mohamed Oussama Belloulid, Khalid El Ass, Laila Mandi, Said Wahbi, Salvatore Masi, Naaila Ouazzani
Summary: This study proposes an eco-efficient scheme (EES) that is both selective and environmentally viable, and compares it to a conventional activated sludge scheme (CAS). The results show that CAS and EES have optimal process operation and significant differences in organic load and nutrient removal efficiencies. Statistical analysis also reveals a positive correlation between influent/effluent wastewater parameters, performance indicators, and process configuration. The eco-efficient process exhibits promising potential as a sustainable and eco-friendly technology.
IRRIGATION AND DRAINAGE
(2023)
Article
Plant Sciences
Ming Zeng, Nicole M. van Dam, Bettina Hause
Summary: Ethylene (ET) controls various aspects of plant growth and development under both abiotic and biotic stresses. MtEIN2, a critical element in the ET signaling pathway, plays an important role in biotic interactions. However, its role in responding to abiotic stress, such as nutrient deficiency, is less understood.
PHYSIOLOGIA PLANTARUM
(2023)