2022
DOI: 10.1146/annurev-arplant-102820-100635
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Parasitic Plants: An Overview of Mechanisms by Which Plants Perceive and Respond to Parasites

Abstract: In contrast to most autotrophic plants, which produce carbohydrates from carbon dioxide using photosynthesis, parasitic plants obtain water and nutrients by parasitizing host plants. Many important crop plants are infested by these heterotrophic plants, leading to severe agricultural loss and reduced food security. Understanding how host plants perceive and resist parasitic plants provides insight into underlying defense mechanisms and the potential for agricultural applications. In this review, we offer a com… Show more

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Cited by 26 publications
(38 citation statements)
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“…Besides serving as a sound system for studying the distinctive mechanisms involved in haustorium initiation, Cuscuta species also perform some unique parasitizing behaviours that are currently underinvestigated, including hyperparasitism ( Wilson and Calvin, 2017 ), autoparasitism ( Krasylenko et al., 2021 ), and cross-organ parasitism ( Jhu and Sinha, 2022 ). These unique parasitizing behaviours among multiple parasitic plants have been previously reviewed ( Krasylenko et al., 2021 ; Jhu and Sinha, 2022 ). Therefore, here, we focus on providing clear definitions with concise discussion and then propose hypotheses to understand why Cuscuta species evolved these unique parasitizing behaviours.…”
Section: Cuscuta As a Model For Haustorium Development In St...mentioning
confidence: 99%
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“…Besides serving as a sound system for studying the distinctive mechanisms involved in haustorium initiation, Cuscuta species also perform some unique parasitizing behaviours that are currently underinvestigated, including hyperparasitism ( Wilson and Calvin, 2017 ), autoparasitism ( Krasylenko et al., 2021 ), and cross-organ parasitism ( Jhu and Sinha, 2022 ). These unique parasitizing behaviours among multiple parasitic plants have been previously reviewed ( Krasylenko et al., 2021 ; Jhu and Sinha, 2022 ). Therefore, here, we focus on providing clear definitions with concise discussion and then propose hypotheses to understand why Cuscuta species evolved these unique parasitizing behaviours.…”
Section: Cuscuta As a Model For Haustorium Development In St...mentioning
confidence: 99%
“…Cross-organ parasitism refers to the phenomenon of a parasitic plant forming nonconventional haustorial attachments with other host organs ( Jhu and Sinha, 2022 ). For example, C. campestris is known as a parasitic stem plant but has been reported to be able to form haustoria on tomato seedling roots ( Jhu and Sinha, 2022 ). The reason why Cuscuta species evolved to have the ability to parasitize different organs of their host is still a mystery.…”
Section: Cuscuta As a Model For Haustorium Development In St...mentioning
confidence: 99%
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“…Diverse parasitic hormones have been anticipated in the site of infection from gene expression analysis related to accumulation of auxins in the early stages of the haustorium development [ 36 , 37 , 38 , 39 , 40 ]. Nevertheless, successful infection of P. calyculatus in a host tree is dependent on the establishment mechanisms in phenological stages such as germination and growth of seedlings, as well as metabolic signatures in haustorium development, enzymes involved in bark layer degradation and xylem connection, and molecular and genetic factors that inhibit the host immune system [ 34 , 41 , 42 , 43 , 44 , 45 , 46 ]. Therefore, molecular analyses on the development of the haustorium are necessary, involving scanning biomolecules such as phytohormones, proteins, and enzymes involved in haustorium development and thus in the establishment on the host.…”
Section: Introductionmentioning
confidence: 99%