Angela Michelle González-López, Evangelina Esmeralda Quiñones-Aguilar, Cecilia Guizar-González, Gabriel Rincón-Enríquez
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引用次数: 0
摘要
番荔枝（Annona muricata L.）是一种热带树木，以其次生代谢物，特别是乙酰素而闻名，其具有细胞毒性和抗肿瘤特性。研究表明，丛枝菌根真菌（AMF）的共生和干旱胁迫可以增加植物体内萜类、生物碱和酚类化合物的产量。我们的目的是评估AMF的共生（包括物种和群体）和两种灌溉方案是否提高了田中树叶片中主要的乙酰原素——茶花酸的浓度。采用两种灌溉水平：正常灌溉（NI）和低灌溉（LI）。接种两种AMF菌群：Cerro del Metate （CM）和Agua Duce (AD)；以及根噬菌（Rhizophagus intraradices， RI）和苔藓漏斗菌（funeliformis mosseae， FM）两个AMF种。结果表明，与NI相比，LI处理下叶片中烟酸浓度降低了83%。然而，AMF共生增加了茶树酸浓度，特别是在LI条件下。在LI水平下，菌根植物的干叶重高于对照。在NI条件下，没有观察到AMF共生对生长的促进作用。综上所述，在两种灌溉水平下，AMF的共生作用均促进了苦楝叶片中茶花酸的浓度。在NI条件下，FM处理提高了茶花酸浓度，而在LI条件下，AD、CM和FM处理提高了茶花酸浓度。
Annonacin accumulation in leaves of Annona muricata L. induced by mycorrhizal colonization.
Annona muricata L. is a tropical tree known for its secondary metabolites, particularly acetogenins, which have cytotoxic and antitumor properties. Research has shown that arbuscular mycorrhizal fungi (AMF) symbiosis and drought stress can increase the production of terpenoids, alkaloids, and phenolic compounds in plants. Our objective was to assess whether AMF symbiosis (both species and consortia) and two irrigation regimens enhanced foliar annonacin concentration, the primary acetogenin in A. muricata leaves. Two irrigation levels were used: normal irrigation (NI) and low irrigation (LI). Trees were inoculated with two AMF consortia: Cerro del Metate (CM) and Agua Dulce (AD); and two AMF species: Rhizophagus intraradices and Funneliformis mosseae (FM). Results showed that annonacin concentration was 83% lower in leaves under LI compared to NI. However, AMF symbiosis increased annonacin concentration, especially under LI conditions. Dry leaf weight was higher in mycorrhizal plants under the LI level than in controls. No growth promotion due to AMF symbiosis was observed under NI. In conclusion, AMF symbiosis promotes foliar annonacin concentration in A. muricata leaves in the two irrigation levels. FM treatment promotes higher annonacin concentration in the NI condition, while AD, CM, and FM treatments promotes annonacin concentration in the LI condition.
期刊介绍：
FEMS Microbiology Letters gives priority to concise papers that merit rapid publication by virtue of their originality, general interest and contribution to new developments in microbiology. All aspects of microbiology, including virology, are covered.
2019 Impact Factor: 1.987, Journal Citation Reports (Source Clarivate, 2020)
Ranking: 98/135 (Microbiology)
The journal is divided into eight Sections:
Physiology and Biochemistry (including genetics, molecular biology and ‘omic’ studies)
Food Microbiology (from food production and biotechnology to spoilage and food borne pathogens)
Biotechnology and Synthetic Biology
Pathogens and Pathogenicity (including medical, veterinary, plant and insect pathogens – particularly those relating to food security – with the exception of viruses)
Environmental Microbiology (including ecophysiology, ecogenomics and meta-omic studies)
Virology (viruses infecting any organism, including Bacteria and Archaea)
Taxonomy and Systematics (for publication of novel taxa, taxonomic reclassifications and reviews of a taxonomic nature)
Professional Development (including education, training, CPD, research assessment frameworks, research and publication metrics, best-practice, careers and history of microbiology)
If you are unsure which Section is most appropriate for your manuscript, for example in the case of transdisciplinary studies, we recommend that you contact the Editor-In-Chief by email prior to submission. Our scope includes any type of microorganism - all members of the Bacteria and the Archaea and microbial members of the Eukarya (yeasts, filamentous fungi, microbial algae, protozoa, oomycetes, myxomycetes, etc.) as well as all viruses.
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