Whispers in the dark: Signals regulating underground plant–plant interactions

Yoneyama, Kaori; Bennett, Tom

doi:10.1016/j.pbi.2023.102456

Cited by 2 publications

(5 citation statements)

References 47 publications

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“…Allelobiosis originated from volatile-mediated aboveground signaling interactions that have been investigated in greater detail [ 7 , 89 , 90 ]. However, a great deal of recent attention has been paid to root exudate-mediated belowground signaling interactions among plant species [ 16 , 84 , 91 , 92 ]. Accordingly, allelobiosis reasonably extends to plant–plant belowground signaling interactions mediated by root-secreted chemical signals.…”

Section: Allelobiosis and Plant Identity Recognitionmentioning

confidence: 99%

“…Compared to air-borne chemical signals, soil-borne chemical signals ( Table 1 ) have faced challenges and limitations due to the complexity, opacity, and difficulties in directly observing and collecting underground secretions imposed by the soil environment [ 84 , 92 ]. This hinders our understanding of the critical component for comprehensive plant–plant interactions and plant survival strategies.…”

Section: Allelobiosis and Plant Identity Recognitionmentioning

confidence: 99%

“…In particular, plants actively respond to their neighbors by changing their defensive strategy based on the identity of neighbors [ 44 , 63 ]. Such plant neighbor detection and identity recognition are driven by chemical signals [ 23 , 84 , 92 , 138 ].…”

Section: Allelobiosis and Plant Identity Recognitionmentioning

confidence: 99%

“…Signals regulating underground plant–plant interactions are whispers in the dark. A key but still poorly understood mechanism for plant neighbor detection and identity recognition is through the perception and recognition of signals derived from root exudates [ 92 ].…”

Section: Allelobiosis and Plant Identity Recognitionmentioning

confidence: 99%

“…The symbiosis between roots and arbuscular mycorrhizal fungi [125] Induce parasitic weeds to search for potential hosts [126] Luteolin Quercetin-3-O-rhamnoside Attract rhizobia; induce the early formation of root nodules [127] Compared to air-borne chemical signals, soil-borne chemical signals (Table 1) have faced challenges and limitations due to the complexity, opacity, and difficulties in directly observing and collecting underground secretions imposed by the soil environment [84,92]. This hinders our understanding of the critical component for comprehensive plant-plant interactions and plant survival strategies.…”

Section: Strigolactonesmentioning

confidence: 99%

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Chemically Mediated Plant–Plant Interactions: Allelopathy and Allelobiosis

Kong,

Li,

et al. 2024

Plants

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Plant–plant interactions are a central driver for plant coexistence and community assembly. Chemically mediated plant–plant interactions are represented by allelopathy and allelobiosis. Both allelopathy and allelobiosis are achieved through specialized metabolites (allelochemicals or signaling chemicals) produced and released from neighboring plants. Allelopathy exerts mostly negative effects on the establishment and growth of neighboring plants by allelochemicals, while allelobiosis provides plant neighbor detection and identity recognition mediated by signaling chemicals. Therefore, plants can chemically affect the performance of neighboring plants through the allelopathy and allelobiosis that frequently occur in plant–plant intra-specific and inter-specific interactions. Allelopathy and allelobiosis are two probably inseparable processes that occur together in plant–plant chemical interactions. Here, we comprehensively review allelopathy and allelobiosis in plant–plant interactions, including allelopathy and allelochemicals and their application for sustainable agriculture and forestry, allelobiosis and plant identity recognition, chemically mediated root–soil interactions and plant–soil feedback, and biosynthesis and the molecular mechanisms of allelochemicals and signaling chemicals. Altogether, these efforts provide the recent advancements in the wide field of allelopathy and allelobiosis, and new insights into the chemically mediated plant–plant interactions.

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