Department of Sciences and Innovative Technology, University of Piemonte Orientale, Viale T. Michel 11, Alessandria 15121, Italy.
Int J Mol Sci. 2013 Aug 6;14(8):16207-25. doi: 10.3390/ijms140816207.
Anthocyanins are a group of common phenolic compounds in plants. They are mainly detected in flowers and fruits, are believed to play different important roles such as in the attraction of animals and seed dispersal, and also in the increase of the antioxidant response in tissues directly or indirectly affected by biotic or abiotic stress factors. As a major group of secondary metabolites in plants commonly consumed as food, they are of importance in both the food industry and human nutrition. It is known that arbuscular mycorrhizal (AM) fungi can influence the plant secondary metabolic pathways such as the synthesis of essential oils in aromatic plants, of secondary metabolites in roots, and increase flavonoid concentration. Plant Growth-Promoting Bacteria (PGPB) are able to increase plant growth, improving plant nutrition and supporting plant development under natural or stressed conditions. Various studies confirmed that a number of bacterial species living on and inside the root system are beneficial for plant growth, yield and crop quality. In this work it is shown that inoculation with AM fungi and/or with selected and tested Pseudomonas strains, under conditions of reduced fertilization, increases anthocyanin concentration in the fruits of strawberry.
花色苷是植物中一类常见的酚类化合物。它们主要存在于花和果实中，被认为在动物吸引和种子传播等方面发挥着不同的重要作用，也在组织的抗氧化反应中发挥着直接或间接的作用，这些组织受到生物或非生物胁迫因素的影响。作为植物中主要的次生代谢物群体之一，它们在食品工业和人类营养中都具有重要意义。已知丛枝菌根（AM）真菌可以影响植物的次生代谢途径，如芳香植物中精油的合成、根系中的次生代谢物以及类黄酮浓度的增加。植物促生菌（PGPB）能够促进植物生长，改善植物营养，在自然或胁迫条件下支持植物发育。各种研究证实，许多生活在根系内外的细菌物种对植物的生长、产量和作物质量有益。在这项工作中表明，在减少施肥的条件下，接种 AM 真菌和/或经过选择和测试的假单胞菌菌株会增加草莓果实中的花色苷浓度。
