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ABP-B9，一种具有生物刺激活性的新菌株。

ABP-B9, a new strain of with biostimulant activity.

作者信息

Bernal-Vicente Agustina, Sánchez-Pujante Pedro Joaquín, Diaz-Vivancos Pedro, Donaire Livia, Aranda Miguel A, Hernando Yolanda

机构信息

R&D Department, Abiopep S.L., Murcia, Spain.

Plant Breeding Department, Centro de Edafología y Biología Aplicada del Segura (CEBAS-CSIC), Murcia, Spain.

出版信息

Front Plant Sci. 2025 Jun 25;16:1561298. doi: 10.3389/fpls.2025.1561298. eCollection 2025.

DOI:10.3389/fpls.2025.1561298
PMID:40636007
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12239753/
Abstract

INTRODUCTION

Microorganisms are emerging as key agents in sustainable agriculture due to their ability to enhance crop productivity while reducing environmental impact. Among them, spp. are well known for promoting plant growth through mechanisms such as phytohormone production and improved nutrient availability. This study describes the characterization of the strain ABP-B9, isolated from the rhizosphere of commercial lettuce crops.

MATERIALS AND METHODS

ABP-B9 was evaluated under both field and controlled conditions to assess its plant growth-promoting effects. Parameters such as root development, photosynthetic efficiency, flavonoid content, nitrogen status, and the production of indole-3-acetic acid (IAA) and siderophores were measured. Whole-genome sequencing and phylogenetic analysis were also performed.

RESULTS

Field trials showed that ABP-B9 enhanced crop yield in lettuce, spinach, and celery, improving root development, photosynthetic efficiency, flavonoid levels, and nitrogen status. The production of IAA and siderophores was confirmed . Plant responses were observed as early as five days after application. Genomic analysis revealed that ABP-B9 belongs to the genus and is closely related to . Its genome (4,602,210 bp; 61.46% GC content) includes 4,247 protein-coding genes, 12 rRNAs, and 66 tRNAs.

DISCUSSION

ABP-B9 is a novel, non-pathogenic strain with clear biostimulant activity. Its ability to enhance plant growth and increase crop yield, combined with its safety profile, supports its potential use in sustainable agriculture. Future studies should explore its application across different crops and environmental conditions.

摘要

引言

微生物正成为可持续农业中的关键因素，因为它们有能力提高作物产量，同时减少对环境的影响。其中，[具体菌种]通过诸如植物激素产生和改善养分有效性等机制促进植物生长而闻名。本研究描述了从商业生菜作物根际分离出的ABP - B9菌株的特性。

材料与方法

在田间和受控条件下对ABP - B9进行评估，以评估其促进植物生长的效果。测量了诸如根系发育、光合效率、类黄酮含量、氮素状况以及吲哚 - 3 - 乙酸（IAA）和铁载体的产生等参数。还进行了全基因组测序和系统发育分析。

结果

田间试验表明，ABP - B9提高了生菜、菠菜和芹菜的作物产量，改善了根系发育、光合效率、类黄酮水平和氮素状况。证实了IAA和铁载体的产生。在施用后仅五天就观察到了植物反应。基因组分析表明，ABP - B9属于[具体属]，并且与[相关菌种]密切相关。其基因组（4,602,210 bp；GC含量61.46%）包括4,247个蛋白质编码基因、12个rRNA和66个tRNA。

讨论

ABP - B9是一种新型的、非致病性的[具体菌种]菌株，具有明显 的生物刺激活性。它促进植物生长和增加作物产量的能力，以及其安全性，支持了其在可持续农业中的潜在应用。未来的研究应探索其在不同作物和环境条件下的应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/c7808ff473a9/fpls-16-1561298-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/c47ebd4316dd/fpls-16-1561298-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/6646f3b0683c/fpls-16-1561298-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/302de1c783b4/fpls-16-1561298-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/1180bf4b3e3b/fpls-16-1561298-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/15c43ae828e3/fpls-16-1561298-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/0c9505d482f7/fpls-16-1561298-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/c7808ff473a9/fpls-16-1561298-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/c47ebd4316dd/fpls-16-1561298-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/6646f3b0683c/fpls-16-1561298-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/302de1c783b4/fpls-16-1561298-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/1180bf4b3e3b/fpls-16-1561298-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/15c43ae828e3/fpls-16-1561298-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/0c9505d482f7/fpls-16-1561298-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5da6/12239753/c7808ff473a9/fpls-16-1561298-g007.jpg

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