Screening of endophytic fungi from Cremastra appendiculata and their potential for plant growth promotion and biological control

Wang, Siyu; Chen, Senmiao; Wang, Bixu; Li, Qianxi; Zu, Jiaqi; Li, Jingling; Zhang, Ding; Zhou, Fangmei

doi:10.1007/s12223-022-00995-0

Cited by 11 publications

(4 citation statements)

References 58 publications

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“…Talaromyces sp. from Caltha appendiculata tubers generated an IAA of 7.60 ± 0.32 mg/L on a PDB medium supplied with L-tryptophan ( Wang et al., 2022 ). IAA produced by microorganisms enhances the root surface area and thus improves the uptake of nutrients and water ( Ali et al., 2020b ).…”

Section: Discussionmentioning

confidence: 99%

Fungicidal and plant growth-promoting traits of Lasiodiplodia pseudotheobromae, an endophyte from Andrographis paniculata

Segaran

Sathiavelu

2023

Front. Plant Sci.

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IntrodutionFungal endophytes are widespread and dwell inside plant cells for at least part of their life without producing any symptoms of infection. Distinct host plants may have different fungal endophyte rates and community compositions. Despite this, the endophytic fungi connected with the host plant and their hostile behaviors, remain unknown.MethodsThe objective of the current research was to isolate and identify endophytic fungal species from the root of Andrographis paniculata. The effects of fungal isolate APR5 on the mycelial growth of phytopathogens and the production of plant-promoting traits were assessed. Results and discussionEndophytic fungal isolate APR5 showed higher inhibitory efficacy in dual and double plate assay against the tested phytopathogenic fungi. The scanning electron microscope analysis demonstrated that the phytopathogenic fungal hyphae were coiled by endophytes which makes them shrink and disintegrate. Further, an ethyl acetate crude extract effectively suppressed the mycelium growth of Rhizoctonia solani by 75 ± 0.1% in an agar well diffusion assay. The fungal isolate APR5 was identified as Lasiodiplodia pseudotheobromae using the nuclear ribosomal DNA internal transcribed spacer (ITS) region and qualitatively evaluated for their capacity to produce plant growth-promoting hormones. Gas chromatography-mass spectrometry was implemented to acquire a preliminary understanding of the secondary metabolic profile of ethyl acetate crude extract. 1-octadecene, erythritol, niacin, oleic acid, phenol, pantolactone, phenyl ethyl alcohol, p-cresol, and tbutyl hydroquinone are the metabolites analyzed in a crude extract of APR5 isolate and are reported to have antimicrobial properties.

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Section: Discussionmentioning

confidence: 99%

Fungicidal and plant growth-promoting traits of Lasiodiplodia pseudotheobromae, an endophyte from Andrographis paniculata

Segaran

Sathiavelu

2023

Front. Plant Sci.

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“…SMR1 enhanced downy mildew tolerance in Papaver somniferum (L.) via protein modification, differential expression of transcripts related to signal transduction, transcription factors, and SA-dependent defense pathway ( Ray et al., 2021 ). Many researchers showed the ability of both bacterial and fungal endophytes to control diseases and phytopathogens by synthesized volatile and non-volatile compounds, soluble antifungal metabolites and by specific mechanisms including activation of defense enzymes and PR proteins associated with ISR, JA/ET mediated disease resistance, antagonism, antimicrobial, antioxidant, and anti-proliferative properties, production of IAA, siderophores.and β-1,3-glucanase, proteolytic activity, chitinase and cellulose synthesis in diverse medicinal plants including Chloranthus elatior , Taxillus chinensis, Salvia miltiorrhiza, Curcuma longa, Dioscorea bulbifera, Viola odorata, Cremastra appendiculata , Angelica sinensis , Cornus florida, Nicotiana tabacum, Zingiber zerumbet and Piper betle ( Harsha et al., 2023 ; Jiao et al., 2023 ; Manasa et al., 2023 ; Mei et al., 2023 ; Rotich and Mmbaga, 2023 ; Salwan et al., 2023 ; Santra and Banerjee, 2023 ; Sharma et al., 2023 ; Song et al., 2023 ; Thankam and Manuel, 2023 ; Wang et al., 2023 ; Yehia, 2023 ; Zou et al., 2023 ).…”

Section: Endophytes-mediated Plant-microbe Interactions To Mitigate E...mentioning

confidence: 99%

“…To illustrate, several studies have reported the beneficial effects of microbial endophytes on a wide range of medicinal plants, including Withania somnifera, Artemisia annua, Papaver somniferum, Cymbidium aloifolium , Salvia miltiorrhiza , Catharanthus roseus, Bacopa monnieri , Nicotiana tobaccum, Andrographis paniculata, Chlorophytum borivilianum, Panax ginseng, Panax notoginseng, Curcuma longa, Curcuma wenyujin , etc. ( Meng and He, 2011 ; Karthikeyan et al., 2012 ; Wang et al., 2012 ; Ma et al., 2013 ; Barnawal et al., 2016 ; Kumar et al., 2016 ; Hong et al., 2018 ; Jayakumar et al., 2019 ; Sahu et al., 2019 ; Shah et al., 2019 ; Jiao et al., 2020 ; Ray et al., 2021 ; Zheng et al., 2021 ; Mei et al., 2023 ; Salwan et al., 2023 ; Sharma et al., 2023 ; Song et al., 2023 ; Wang et al., 2023 ; Zou et al., 2023 ). Thus, unquestionably, these endophytes have demonstrated tremendous potential as a green and eco-friendly alternative for boosting food production in sustainable agricultural systems.…”

Section: Endophytic Microbes As Biostimulants In Sustainable Agriculturementioning

confidence: 99%

Deciphering the mechanisms, hormonal signaling, and potential applications of endophytic microbes to mediate stress tolerance in medicinal plants

Pandey,

Tripathi,

Dwivedi

et al. 2023

Front. Plant Sci.

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The global healthcare market in the post-pandemic era emphasizes a constant pursuit of therapeutic, adaptogenic, and immune booster drugs. Medicinal plants are the only natural resource to meet this by supplying an array of bioactive secondary metabolites in an economic, greener and sustainable manner. Driven by the thrust in demand for natural immunity imparting nutraceutical and life-saving plant-derived drugs, the acreage for commercial cultivation of medicinal plants has dramatically increased in recent years. Limited resources of land and water, low productivity, poor soil fertility coupled with climate change, and biotic (bacteria, fungi, insects, viruses, nematodes) and abiotic (temperature, drought, salinity, waterlogging, and metal toxicity) stress necessitate medicinal plant productivity enhancement through sustainable strategies. Plants evolved intricate physiological (membrane integrity, organelle structural changes, osmotic adjustments, cell and tissue survival, reclamation, increased root-shoot ratio, antibiosis, hypersensitivity, etc.), biochemical (phytohormones synthesis, proline, protein levels, antioxidant enzymes accumulation, ion exclusion, generation of heat-shock proteins, synthesis of allelochemicals. etc.), and cellular (sensing of stress signals, signaling pathways, modulating expression of stress-responsive genes and proteins, etc.) mechanisms to combat stresses. Endophytes, colonizing in different plant tissues, synthesize novel bioactive compounds that medicinal plants can harness to mitigate environmental cues, thus making the agroecosystems self-sufficient toward green and sustainable approaches. Medicinal plants with a host set of metabolites and endophytes with another set of secondary metabolites interact in a highly complex manner involving adaptive mechanisms, including appropriate cellular responses triggered by stimuli received from the sensors situated on the cytoplasm and transmitting signals to the transcriptional machinery in the nucleus to withstand a stressful environment effectively. Signaling pathways serve as a crucial nexus for sensing stress and establishing plants’ proper molecular and cellular responses. However, the underlying mechanisms and critical signaling pathways triggered by endophytic microbes are meager. This review comprehends the diversity of endophytes in medicinal plants and endophyte-mediated plant-microbe interactions for biotic and abiotic stress tolerance in medicinal plants by understanding complex adaptive physiological mechanisms and signaling cascades involving defined molecular and cellular responses. Leveraging this knowledge, researchers can design specific microbial formulations that optimize plant health, increase nutrient uptake, boost crop yields, and support a resilient, sustainable agricultural system.

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“…Endophytic fungi are latent biocontrol agents that promote plant growth and plant health. − Such fungi are mutualistically associated with their hosts without causing any noticeable symptoms of any disease. In addition, they protect host plants against various pathogens that cause severe diseases such as rot and canker, or even death .…”

Section: Introductionmentioning

confidence: 99%

Antibacterial Metabolites from Kiwi Endophytic Fungus Fusarium tricinctum, a Potential Biocontrol Strain for Kiwi Canker Disease

Dong

et al. 2023

J. Agric. Food Chem.

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Pseudomonas syringae pv. actinidiae (Psa) is a Gram-negative bacterium causing the kiwifruit canker disease, resulting in serious economic losses to the kiwifruit industry. This study investigated the use of an endophytic fungus, Fusarium tricinctum, obtained from the kiwi plant (Actinidia chinesis) as a potential biocontrol strain against the Psa. F. tricinctum showed an inhibition rate of 59.5% in vitro against Psa. Bioassay-guided isolation was conducted on the cultural broth of F. tricinctum and seven new imidazole alkaloids, (±)-fusaritricine J ((±)-1) and fusaritricines K-P (2−7), and four enniatins (8−11) were identified. Their absolute configurations were established through extensive spectroscopic methods, quantum chemical calculations, and X-ray single crystal diffraction. Compounds 1, 4, 5, and 8−11 showed comparable anti-bacterial activities against Psa as positive control, with MIC values of 25−50 μg/mL. Further cell membrane permeability assay suggested that the most active compound 4 could destroy the bacterial cell wall structure. Hence, F. tricinctum metabolites could be applied as potential anti-Psa agents, and F. tricinctum could be considered a biocontrol strain for the control of the kiwifruit canker disease.

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Screening of endophytic fungi from Cremastra appendiculata and their potential for plant growth promotion and biological control

Cited by 11 publications

References 58 publications

Fungicidal and plant growth-promoting traits of Lasiodiplodia pseudotheobromae, an endophyte from Andrographis paniculata

Fungicidal and plant growth-promoting traits of Lasiodiplodia pseudotheobromae, an endophyte from Andrographis paniculata

Deciphering the mechanisms, hormonal signaling, and potential applications of endophytic microbes to mediate stress tolerance in medicinal plants

Antibacterial Metabolites from Kiwi Endophytic Fungus Fusarium tricinctum, a Potential Biocontrol Strain for Kiwi Canker Disease

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