What benefits of Aspergillus terreus have been cited in the scientific literature?
Abiotic stress tolerance is a recurring theme in the A. terreus literature. In Triticum aestivum seedlings exposed to lead and copper, peer-reviewed studies report 142% greater shoot length and 73% higher dry weight versus controls, alongside reduced malondialdehyde and MT1 gene upregulation linked to metal detoxification. In Vigna radiata under salt stress, research cites improved biomass, chlorophyll content, relative water content, and reduced oxidative markers including protection against DNA damage.
As an endophyte in finger millet, A. terreus is reported to solubilize zinc and increase grain zinc content 12–19% over unprimed controls, while augmenting NPK concentrations in seeds and improving shoot and root lengths.
1AAPFCO-accepted claims
Listing details- Beneficial to plants and/or soils.
Accepted wording, shown verbatim · source: AAPFCO Plant Biostimulant list
2Potential claims from the literature
Reported to produce IAA (indole-3-acetic acid) in vitro (23.43 ± 0.79 μg/ml) and to enhance endogenous IAA levels in inoculated plants by 5.28-fold under maximum salt stress
Reported to solubilize phosphate in vitro (133.63 ± 6.40 μg/ml)
Reported to exhibit ACC deaminase activity (86.36 ± 2.70 μmol α-ketobutyrate/h/mg protein), associated with plant growth promotion
Reported to improve root and shoot length, biomass, chlorophyll content, relative water content, phenolics, protein content, and DPPH scavenging activity in Vigna radiata under salt stress conditions
Reported to alleviate salt stress in Vigna radiata, including reduction of oxidative stress markers (proline, electrolyte leakage, malondialdehyde) and protection against DNA damage induced by salt stress
Reported to enhance shoot length (142%), root length (98%), fresh weight (24%), dry weight (73%), protein content (31%), and sugar content (40%) in Triticum aestivum seedlings under heavy metal (lead and copper) stress
Reported to mitigate lead and copper heavy metal stress in Triticum aestivum seedlings by reducing ROS levels, lowering malondialdehyde (MDA), enhancing membrane stability, upregulating MT1 gene expression for metal detoxification, and restoring root architecture
Reported to inhibit growth of plant pathogenic fungi including Colletotrichum acutatum, Alternaria alternata, and Fusarium oxysporum in dual culture and culture filtrate assays, and to significantly enhance resistance of tomato plants against Fusarium oxysporum f. sp. lycopersici (Fusarium wilt) upon co-inoculation
Reported to inhibit growth of the bacterial pathogen Dickeya chrysanthemi and to protect potato tubers against soft rot disease, with MPP (2,4-bis(1-methyl-1-phenylethyl)-phenol) identified as the active compound in culture filtrate
Reported to have biocontrol activity against plant pathogens and plant growth-promoting effects, as reviewed across multiple studies
Reported to solubilize zinc and to increase zinc content in finger millet grains by 12.12%–18.80% compared to unprimed control plants when used as an endophyte
Reported to augment NPK concentrations in finger millet seeds and to enhance shoot and root lengths compared to unprimed control plants when used as an endophyte
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