Satoko Yoshida

Satoko Yoshida
Nara Institute of Science and Technology | NAIST · Graduate School of Biological Sciences

About

100
Publications
64,110
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6,234
Citations
Citations since 2016
59 Research Items
3170 Citations
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500
20162017201820192020202120220100200300400500

Publications

Publications (100)
Article
Full-text available
Orobanchaceae parasitic plants are major threats to global food security, causing severe agricultural damage worldwide. Parasitic plants derive water and nutrients from their host plants through multicellular organs called haustoria. The formation of a prehaustorium, a primitive haustorial structure, is provoked by host-derived haustorium-inducing...
Article
Full-text available
Parasitic plants are worldwide threats that damage major agricultural crops. To initiate infection, parasitic plants have developed the ability to locate hosts and grow towards them. This ability, called host tropism, is critical for parasite survival, but its underlying mechanism remains mostly unresolved. To characterise host tropism, we used the...
Article
Full-text available
Parasitic plants are globally prevalent pathogens that withdraw nutrients from their host plants using an organ known as the haustorium. The external environment including nutrient availability affects the extent of parasitism and to understand this phenomenon, we investigated the role of nutrients and found that nitrogen is sufficient to repress h...
Article
Parasitic plants pose a serious agricultural threat, but are also precious resources for valuable metabolites. The heterotrophic nature of these plants has resulted in the development of several morphological and physiological features that are of evolutionary significance. Recent advances in large-scale sequencing technology have provided insights...
Article
The hemiparasitic plant Phtheirospermum japonicum is a nutritional specialist that supplements its nutrient requirements by parasitizing other plants through haustoria. During parasitism, the Phtheirospermum haustorium transfers hypertrophy‐inducing cytokinins (CKs) to the infected host root. The CK biosynthesis genes required for haustorium‐derive...
Preprint
Full-text available
The hemiparasitic plant Phtheirospermum japonicum is a nutritional specialist that supplements its nutrient requirements by parasitizing other plants through haustoria. During parasitism, the Phtheirospermum haustorium transfers hypertrophy-inducing cytokinins (CKs) to the infected host root. The CK biosynthesis genes required for haustorium-derive...
Article
Full-text available
Characterizing molecular aspects of haustorium development by parasitic plants in the Orobanchaceae family has identified hormone signaling/transport and specific genes as major players.
Article
Full-text available
Parasitic plants infect other plants by forming haustoria, specialized multicellular organs consisting of several cell types, each of which has unique morphological features and physiological roles associated with parasitism. Understanding the spatial organization of cell types is, therefore, of great importance in elucidating the functions of haus...
Article
Full-text available
寄生植物とは,他の高等植物の組織内に侵入し,維管束をつなげて水や栄養分を吸収して生 育する植物である。寄生植物は全被子植物の約1%を占める 4500 種ほど存在し,その分類群 は約 20 科 280 属と多岐にわたる (Rubiales and Heide-Jørgensen, 2011)。系統解析から,寄生植 物は 12-13 回の独立した進化により出現したと推測されている (Westwood et al., 2010)。これ らの多岐にわたる寄生植物種の共通項は,「吸器」とよばれる寄生器官を形成することである。 ラフレシア(Rafflesiaceae 科植物)などの菌糸状の内生吸器を作る植物を除き,吸器は植物の 根または茎の一部が変形して形成されたもので,宿主への付着・侵入する機能を持ち...
Article
Parasitic plants that infect crops are devastating to agriculture throughout the world. These parasites develop a unique inducible organ called the haustorium that connects the vascular systems of the parasite and host to establish a flow of water and nutrients. Upon contact with the host, the haustorial epidermal cells at the interface with the ho...
Article
Full-text available
Parasitic plants in the family Orobanchaceae, such as Striga, Orobanche and Phelipanche, often cause significant damage to agricultural crops. The Orobanchaceae family comprises more than 2000 species in about 100 genera, providing an excellent system for studying the molecular basis of parasitism and its evolution. Notably, the establishment of mo...
Article
Full-text available
Parasitic plants form a specialized organ, a haustorium, to invade host tissues and acquire water and nutrients. To understand the molecular mechanism of haustorium development, we performed a forward genetics screening to isolate mutants exhibiting haustorial defects in the model parasitic plant Phtheirospermum japonicum. We isolated two mutants t...
Article
Parasitic plants form vascular connections to host plants for efficient material transport. The haustorium is the responsible organ for host invasion and subsequent vascular connection. After invasion of host tissues, vascular meristem-like cells emerge in the central region of the haustorium, differentiate into tracheary elements, and establish a...
Preprint
Full-text available
Parasitic plants infect other plants by forming haustoria, specialized multicellular organs consisting of several cell types each of which has unique morphological features and physiological roles associated with parasitism. Understanding the spatial organization of cell types is, therefore, of great importance in elucidating the functions of haust...
Preprint
Parasitic plants that infect crops are devastating to agriculture throughout the world. They develop a unique inducible organ called the haustorium, which connects the vascular systems of the parasite and host to establish a flow of water and nutrients. Upon contact with the host, the haustorial epidermal cells at the interface with the host differ...
Preprint
Parasitic plants form vascular connections to host plants for efficient material transport. The haustorium is the responsible organ for host invasion and subsequent vascular connection. After invasion of host tissues, vascular meristem-like cells emerge in the central region of the haustorium, differentiate into tracheary elements, and establish a...
Article
Parasitic plants in the genus Striga, commonly known as witchweeds, cause major crop losses in sub-Saharan Africa and pose a threat to agriculture worldwide. An understanding of Striga parasite biology, which could lead to agricultural solutions, has been hampered by the lack of genome information. Here, we report the draft genome sequence of Strig...
Article
Full-text available
Parasitic plants in the Orobanchaceae family include devastating weed species, such as Striga, Orobanche and Phelipanche, which infest important crops and cause economic losses of over a billion US dollars worldwide, yet the molecular and cellular processes responsible for such parasitic relationships remain largely unknown. Parasitic species of th...
Article
Full-text available
The parasitic witchweed Striga hermonthica causes devastating damage to crops in sub-Saharan Africa, yet the mechanism of its parasitism is not well understood. Parasitic plants form a special organ called a haustorium to obtain water and nutrients from host plants. The haustorium is induced by host-derived small molecules, collectively named haust...
Data
Visualization of NO− and ·OH. For visualization of NO− (A–C) and ·OH (D–F), haustoria of S. hermonthica induced by 10 μM DMBQ (B,E) or syringic acid (C,F) for 24 h were stained with 10 μM DAF-2 DA (A–C) or 10 μM APF (D–F) for 30 min. Radicals grown in water (A, D) were observed as a control. Left and right panels show confocal microscope images and...
Data
Effects of SHAM and PAO on haustorium formation. (A) Concentration-dependent inhibition of SHAM on haustorium formation induced by DMBQ or syringic acid. (B) Effect of PAO on haustorium induction by DMBQ or syringic acid. Error bars indicate SE (n = 3), and NT, not tested. Different lower-case letters represent significant differences as determined...
Data
Images of S. hermonthica seedlings treated with ROS inhibitors and DMBQ or syringic acid. Germinated S. hermonthica seedlings were exposed to each inhibitor at indicated concentrations with or without (control) 10 μM DMBQ or syringic acid and observed after 24 h of treatment. White arrowheads indicate brownish radicle tip by high concentration of e...
Data
Time-lapse movie of H2O2 accumulations during haustorium formation. Time-lapse images H2O2 accumulation visualized by carboxy-H2DFFDA staining were taken every 30 min after with (A) or without (B) DMBQ treatment for 24 h.
Data
Effects of ROS inhibitors on haustorium formation induced by rice root extracts. Haustorium formation rates were calculated after S. hermonthica seedlings were treated with 0.5% root extracts from cultivars Nipponbare and Koshihikari in the absence or presence of various ROS inhibitors. The concentration of each chemical is shown at the top left of...
Article
Full-text available
Striga species are parasitic weeds that seriously constrain the productivity of staples including cereals and legumes in Sub-Saharan Africa and Asia. In the eastern and central Africa region, Striga spp. infest as much as 40 million hectares of smallholder farmland causing total crop failure during severe infestation. As molecular mechanisms underl...
Article
Full-text available
The haustorium in parasitic plants is an organ specialized for invasion and nutrient uptake from host plant tissues. Despite its importance, the developmental processes of haustoria are mostly unknown. To understand the dynamics of cell fate change and cellular lineage during the haustorium development, we performed live imaging-based marker expres...
Article
Full-text available
Parasitic plants in the family Orobanchaceae are destructive weeds of agriculture worldwide. The haustorium, an essential parasitic organ used by these plants to penetrate host tissues, is induced by host-derived phenolic compounds called haustorium-inducing factors (HIFs). The origin of HIFs remains unknown, although the structures of lignin monom...
Article
Striga spp. are noxious parasitic weeds that attack important crop species such as rice, maize and sorghum. Estimated yield losses can reach 1 billion US dollars annually. Striga belongs to the Orobanchaceae family, which contains approximately 90 genera of parasitic species. The degree of parasitism varied among species, from facultative parasites...
Article
Full-text available
Most of plants show remarkable developmental plasticity in the generation of diverse types of new organs upon external stimuli, allowing them to adapt to their environment. Haustorial formation in parasitic plants is an example of such developmental reprogramming, but its molecular mechanism is largely unknown. In this study, we performed field-omi...
Article
Root hairs result from the polar outgrowth of root epidermis cells in vascular plants. Root hair development processes are regulated by intrinsic genetic programs, which are flexibly modulated by environmental conditions, such as nutrient availability. Basic programs for root hair development were present in early land plants. Subsequently, some pl...
Article
Full-text available
The family Orobanchaceae includes many parasitic plant species. Parasitic plants invade host vascular tissues and form organs called haustoria, which are used to obtain water and nutrients. Haustorium formation is initiated by host-derived chemicals including quinones and flavonoids. Two types of quinone oxidoreductase (QR) are involved in signal t...
Article
Phtheirospermum japonicum is a facultative root parasitic plant in the Orobanchaceae family used as a model parasitic plant. Facultative root parasites form an invasive organ called haustorium on the lateral parts of their roots. To functionally characterize parasitic abilities, quantification of haustorium numbers is required. However, this task i...
Article
Full-text available
Significance Parasitic plants are pests of many plants, including major crop species. An important step toward creating resistance to parasitic plants is gaining a better understanding of how these pathogens control the physiology and development of their hosts. We combined genetic, cell-biological, and biochemical methods to identify the plant hor...
Article
Strigolactones (SLs) are a class of plant hormones that regulate diverse physiological processes, including shoot branching and root development. They also act as rhizosphere signaling molecules to stimulate the germination of root parasitic weeds and the branching of arbuscular mycorrhizal fungi. Although various types of cross-talk between SLs an...
Article
Full-text available
Parasitic plants in the Orobanchaceae cause serious agricultural problems worldwide. Parasitic plants develop a multi-cellular infectious organ called a haustorium after recognition of host-released signals. To understand the molecular events associated with host signal perception and haustorium development, we identified differentially regulated g...
Article
Full-text available
Parasitic plants thrive by infecting other plants. Flowering plants evolved parasitism independently at least 12 times, in all cases developing a unique multicellular organ called the haustorium that forms upon detection of haustorium-inducing factors derived from the host plant. This organ penetrates into the host stem or root and connects to its...
Article
Full-text available
A haustorium is the unique organ that invades host tissues and establishes vascular connections. Haustorium formation is a key event in parasitism, but its underlying molecular basis is largely unknown. Here we use Phtheirospermum japonicum, a facultative root parasite in the Orobanchaceae, as a model parasitic plant. We performed a forward genetic...
Article
Full-text available
Numerous pathogenic or parasitic organisms attack plant roots to obtain nutrients, and the apoplast including the plant cell wall is where the plant cell meets such organisms. Root parasitic angiosperms and nematodes are two distinct types of plant root parasites but share some common features in their strategies for breaking into plant roots. Stri...
Article
Obligate parasitic plants in the Orobanchaceae germinate after sensing plant hormones, strigolactones, exuded from host roots. In Arabidopsis thaliana, the α/β-hydrolase D14 acts as a strigolactone receptor that controls shoot branching, whereas its ancestral paralog, KAI2, mediates karrikin-specific germination responses. We observed that KAI2, bu...
Article
Full-text available
The root hemiparasite witchweed (Striga spp.) is a devastating agricultural pest that causes losses of up to 1 billion USD annually in sub-Saharan Africa. Development of resistant crops is one of the cost-effective ways to address this problem. However, the molecular mechanisms underlying resistance are not well understood. To understand molecular...
Article
Full-text available
Parasitic plants have the ability to obtain nutrients directly from other plants, and several species are serious biological threats to agriculture by parasitizing crops of high economic importance. The uniqueness of parasitic plants is characterized by the presence of a multicellular organ called a haustorium, which facilitates plant-plant interac...
Patent
It is an objective to provide a method for controlling root parasitic plants. The present invention is directed to a method for protecting plants from root parasitic plants comprising regulating the activity of a protein associated with the strigolactone biosynthetic pathway (including the strigolactone biosynthetic and signalling pathway) in plant...
Article
Arbuscular mycorrhiza (AM) represents an ancient endosymbiosis between plant roots and Glomeromycota fungi. Strigolactones (SLs), plant-derived terpenoid lactones, activate hyphal branching of AM fungi before physical contact. Lack of SL biosynthesis results in lower colonization of AM fungi. The F-box protein, DWARF3 (D3), and the hydrolase family...
Article
Full-text available
The Lotus japonicus SYMBIOSIS RECEPTOR-LIKE KINASE (SYMRK) is required for symbiotic signal transduction upon stimulation of root cells by microbial signaling molecules. Here, we identified members of the SEVEN IN ABSENTIA (SINA) E3 ubiquitin-ligase family as SYMRK interactors and confirmed their predicted ubiquitin-ligase activity. In Nicotiana be...
Article
Full-text available
Plants within the Orobanchaceae are an agriculturally important group of parasites that attack economically important crops to obtain water and nutrients from their hosts. Despite their agricultural importance, molecular mechanisms of the parasitism are poorly understood. We developed transient and stable transformation systems for Phtheirospermum...
Article
Full-text available
Horizontal gene transfer has been postulated to occur between crops to co-occurring parasitic plants, but empirical evidence has been lacking. We present evidence that an HGT event moved a nuclear monocot gene into the genome of the eudicot parasite witchweed (Striga hermonthica), which infects many grass species in Africa. Analysis of expressed se...
Data
Full-text available