Publications by authors named "Xiangling Shen"

Unlabelled: Hexokinases (HXK) not only facilitate carbohydrate metabolism but also play important roles in sugar sensing in higher plants. gene families have been extensively discussed in many plant species; however, comprehensive information regarding in sorghum remains unclear. To address this gap, we identified 7 putative sorghum ( to ), and the features of their conserved domains, gene structure, evolutionary tree, and cis-acting elements were systematically characterized to reveal the evolutionary conservation between different plant species.

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Article Synopsis
  • The SWI/SNF complex is crucial for gene expression by modifying chromatin structure, with three types identified: BAS, SAS, and MAS, linked to plant development and stress responses.
  • This study focuses on the SWI/SNF subunits in sorghum, discovering evolutionary relationships across six grass species and varying gene duplication patterns.
  • Key findings include the identification of specific subunits with transactivation activity, unique interaction patterns in sorghum compared to rice, and a relationship between gene expression and nucleosome positioning, indicating the SWI/SNF complex's role in sorghum's development and response to stress.
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The COMPASS-like complex, responsible for depositing H3K4 methylation, exhibits a conserved composition across yeast, plants, and animals, with functional analysis highlighting its crucial roles in plant development and stress response. In this study, we identified nine genes encoding four subunits of the COMPASS-like complex through homologous search. Phylogenetic analysis revealed the presence of two additional ASH2 genes in the sorghum genome, specifically expressed in endosperms, suggesting the formation of a unique COMPASS-like complex in sorghum endosperms.

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Humidity is a critical environmental factor affecting the epidemic of plant diseases. However, it is still unclear how ambient humidity affects the occurrence of diseases in plants. In this study, we show that high ambient humidity enhanced blast development in rice plants under laboratory conditions.

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Plants are sessile organisms that evolve with a flexible signal transduction system in order to rapidly respond to environmental changes. Drought, a common abiotic stress, affects multiple plant developmental processes especially growth. In response to drought stress, an intricate hierarchical regulatory network is established in plant to survive from the extreme environment.

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Unlabelled: Chromatin regulators play important roles in plant development and stress response. In this study, we identified totally 231 chromatin regulators including 63 histones, 29 histone chaperones, 101 histone modification enzymes, and 38 chromatin remodeling factors from (L.) Moench.

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Article Synopsis
  • Kluyveromyces marxianus, a yeast strain, shows promise for producing yeast extracts due to its effective fermentation and nutritional features.
  • The study investigates the process of yeast autolysis, which is critical for extract production, and reveals that vacuum negative pressure and higher temperatures trigger this breakdown, but the molecular mechanisms are not yet fully understood.
  • RNA-seq analysis identified numerous differentially expressed genes related to RNA synthesis and protein translation during autolysis, indicating that stress leads to cell damage through activated pathways like ERAD and autophagy, ultimately contributing to yeast cell autolysis.
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The possible molecular mechanisms regulating sorghum callus regeneration were revealed by RNA-sequencing. Plant callus regeneration has been widely applied in agricultural improvement. Recently, callus regeneration has been successfully applied in the genetic transformation of sorghum by using immature sorghum embryos as explants.

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Yeast autolysis refers to the process in which cells degrade and release intracellular contents under specific conditions by endogenous enzymes such as proteases, nucleases and lipid enzymes. Protein-rich baker's yeast is widely used to produce yeast extract in food industry, however, the molecular mechanism related to baker's yeast autolysis is still unclear. In this study, RNA-seq technology and biochemical analysis were performed to analyze the autolysis processes in baker's yeast.

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Sorghum () is the fifth most important cereal crop in the world. It is an annual C4 crop due to its high biomass and wide usage, and has a strong resistance to stress. Obviously, there are many benefits of planting sorghum on marginal soils such as saline-alkali land.

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() homologs are crucial regulators of flower development in angiosperms. In this study, we isolated the homolog from , a basal angiosperm belonging to the Magnoliaceae. Molecular phylogenetic analysis suggested that was grouped into the PI/GLO lineages of B-class MADS-box gene with the distinctive PI motif.

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The major pathways and key events related to somatic embryo development in Catalpa bungei were illustrated by deep analysis of DEGs and quantification of hormone contents. Catalpa bungei C.A.

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Double-flower phenotype is more popular and attractive in garden and ornamental plants. There is great interest in exploring the molecular mechanisms underlying the double-flower formation for further breeding and selection. , a commercial ornamental shrub of the Rosaceae family, is considered an excellent system to determine the mechanisms of morphological alterations, because it naturally has a single-flower form and double-flower variant with homeotic conversion of stamens into petals and carpels into leaf-like carpels.

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Cherry tomato (Lycopersicon esculentum M.) is considered a healthy fruit worldwide due to its wide range of nutrients. Flavonol, one of the major nutrients in cherry tomato, has antioxidant and cell-modulating properties.

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The dioecious relic Cercidiphyllum japonicum is one of two species of the sole genus Cercidiphyllum, with a tight inflorescence lacking an apparent perianth structure. In addition, its systematic place has been much debated and, so far researches have mainly focused on its morphology and chloroplast genes. In our investigation, we identified 10 floral organ identity genes, including four A-class, three B-class, two C-class and one D-class.

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Potato (Solanum tuberosum L.) is a major crop worldwide that meets human economic and nutritional requirements. Potato has several advantages over other crops: easy to cultivate and store, cheap to consume, and rich in a variety of secondary metabolites.

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Background: Theobroma cacao L. is a tropical fruit tree, the seeds of which are used to create chocolate. In vitro somatic embryogenesis (SE) of cacao is a propagation system useful for rapid mass-multiplication to accelerate breeding programs and to provide plants directly to farmers.

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Auxin is an essential hormone, but its biosynthetic routes in plants have not been fully defined. In this paper, we show that the TRYPTOPHAN AMINOTRANSFERASE OF ARABIDOPSIS (TAA) family of amino transferases converts tryptophan to indole-3-pyruvate (IPA) and that the YUCCA (YUC) family of flavin monooxygenases participates in converting IPA to indole-3-acetic acid, the main auxin in plants. Both the YUCs and the TAAs have been shown to play essential roles in auxin biosynthesis, but it has been suggested that they participate in two independent pathways.

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Rice OsEDR1 is a sequence ortholog of Arabidopsis EDR1. However, its molecular function is unknown. We show here that OsEDR1-suppressing/knockout (KO) plants, which developed spontaneous lesions on the leaves, have enhanced resistance to Xanthomonas oryzae pv.

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The pathogen-induced plant defense signaling network consists of multiple components, although only some of them are characterized. Most of the known components function either as activators or repressors in host-pathogen interactions. Here we report that a mitogen-activated protein kinase, OsMPK6, functions both as an activator and a repressor in rice resistance against Xanthomonas oryzae pv.

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Bacterial blight caused by Xanthomonas oryzae pv. oryzae and fungal blast caused by Magnaporthe grisea result in heavy production losses in rice, a main staple food for approximately 50% of the world's population. Application of host resistance to these pathogens is the most economical and environment-friendly approach to solve this problem.

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Mitogen-activated protein kinase (MAPK) cascades play important roles in diverse developmental and physiological processes of plants, including pathogen-induced defense responses. Although at least 17 rice MAPKs have been identified and more than half of these MAPK genes have been shown to be pathogen or elicitor responsive, the exact role of most of the MAPKs in host-pathogen interaction is unknown. Here we report that OsMPK6 is an important regulator in rice disease resistance.

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