keyword
https://read.qxmd.com/read/38439935/histone-chaperone-nucleosome-assembly-protein-1-proteins-affect-plant-growth-under-nitrogen-deficient-conditions-in-arabidopsis-thaliana
#21
JOURNAL ARTICLE
Linnan Jie, Miho Sanagi, Yongming Luo, Haruna Maeda, Yoichiro Fukao, Yukako Chiba, Shuichi Yanagisawa, Junji Yamaguchi, Junpei Takagi, Takeo Sato
Nitrogen (N) availability is one of the most important factors regulating plant metabolism and growth as it affects global gene expression profiles. Dynamic changes in chromatin structure, including histone modifications and nucleosome assembly/disassembly, have been extensively shown to regulate gene expression under various environmental stresses in plants. However, the involvement of chromatin related changes in plant nutrient responses has been demonstrated only in a few studies to date. In this study, we investigated the function of histone chaperone NUCLEOSOME ASSEMBLY PROTEIN1 (NAP1) proteins under N deficient conditions in Arabidopsis...
March 25, 2023: Plant Biotechnology (Tokyo, Japan)
https://read.qxmd.com/read/38438047/unveiling-hidden-interactions-microorganisms-enzymes-and-mangroves-at-different-stages-of-succession-in-the-shankou-mangrove-nature-reserve-china
#22
JOURNAL ARTICLE
Yongze Xing, Jin Qiu, Jingfu Chen, Dewei Cheng, Qunjian Yin, Xuyang Chen, Li Xu, Pengfei Zheng
Understanding the interactions between microorganisms, soil extracellular enzymes, and mangroves is crucial for conserving and restoring mangrove ecosystems. However, the unique environments associated with mangroves have resulted in a lack of pertinent data regarding the interactions between these components. Root, stem, leaf, and soil samples were collected at three distinct stages of mangrove succession. Stoichiometry was employed to analyze the carbon, nitrogen, and phosphorus contents of these samples and to quantify extracellular enzyme activities, microbial biomass, and various physicochemical factors in the soil...
March 2, 2024: Science of the Total Environment
https://read.qxmd.com/read/38435858/in-vitro-micropropagation-and-conservation-of-endangered-medicinal-plant-nepeta-asterotricha-rech-f-lamiaceae-genetic-fidelity-phytochemical-and-biological-assessment
#23
JOURNAL ARTICLE
Mahdieh Zamani, Ali Sonboli, Mostafa Goldansaz, Mohammad Hossein Mirjalili
UNLABELLED: An efficient in vitro protocol was introduced for the conservation of Nepeta asterotricha , a vulnerable and endangered medicinal species found in the central of Iran for the first time. Growth, phytochemical, and biological traits of in vitro regenerated plant (RP) and acclimated plant (AP) were compared to the mother plant (MP). In addition, the genetic stability of AP was assessed by using inter-simple sequence repeats (ISSR) markers. The highest number of lateral branches (4...
January 2024: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38435856/glucosinolate-o-methyltransferase-mediated-callus-formation-and-affected-ros-homeostasis-in-arabidopsis-thaliana
#24
JOURNAL ARTICLE
Huifen Cao, Xiao Zhang, Feng Li, Zhiping Han, Xuhu Guo, Yongfang Zhang
UNLABELLED: Auxin-induced callus formation was largely dependent on the function of Lateral Organ Boundaries Domain (LBD) family transcription factors. We previously revealed that two IGMT ( Indole glucosinolate oxy-methyl transferase ) genes, IGMT2 and IGMT3 , may be involved in the callus formation process as potential target genes of LBD29 . Overexpression of the IGMT genes induces spontaneous callus formation. However, the details of the IGMT involvement in callus formation process were not well studied...
January 2024: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38433268/host-genotype-specific-rhizosphere-fungus-enhances-drought-resistance-in-wheat
#25
JOURNAL ARTICLE
Hong Yue, Xuming Sun, Tingting Wang, Ali Zhang, Dejun Han, Gehong Wei, Weining Song, Duntao Shu
BACKGROUND: The severity and frequency of drought are expected to increase substantially in the coming century and dramatically reduce crop yields. Manipulation of rhizosphere microbiomes is an emerging strategy for mitigating drought stress in agroecosystems. However, little is known about the mechanisms underlying how drought-resistant plant recruitment of specific rhizosphere fungi enhances drought adaptation of drought-sensitive wheats. Here, we investigated microbial community assembly features and functional profiles of rhizosphere microbiomes related to drought-resistant and drought-sensitive wheats by amplicon and shotgun metagenome sequencing techniques...
March 4, 2024: Microbiome
https://read.qxmd.com/read/38425793/changes-in-the-degree-of-lateral-root-trait-plasticity-and-trade-offs-of-maize-under-long-term-no-tillage
#26
JOURNAL ARTICLE
Liming Yin, Qiushuang Lv, Peng Wang, Hongtu Xie
INTRODUCTION: While no tillage (NT) can significantly influence soil structure stratification compared to conventional tillage (CT), a comprehensive understanding of the degree of root trait plasticity and trade-offs of lateral roots of crops at various growth stages along a deep soil profile in response to NT remains elusive. This knowledge gap is important for understanding soil resource acquisition strategies and yield of crops. METHODS: We systematically investigated the traits of lateral roots at jointing and flowering stages in a long-term (12 years) experiment in Northeast China where maize ( Zea mays ) has been continuously planted under CT and NT with or without maize residue mulch on soil surface...
2024: Frontiers in Plant Science
https://read.qxmd.com/read/38424201/the-chemical-stoichiometry-characteristics-of-plant-soil-carbon-and-nitrogen-in-subtropical-pinus-massoniana-natural-forests
#27
JOURNAL ARTICLE
Yunxi Xiang, Ping Pan, Xunzhi Ouyang, Hao Zang, Jinfeng Rao
Ecological stoichiometry is essential for understanding changes in ecosystem structure and nutrient cycling in forest ecosystems. However, the stoichiometric characteristics of carbon (C) and nitrogen (N) in different organs or layers, such as leaves, branches, trunks, roots, understory vegetation, litter, and soil within a forest ecosystem, have remained poorly understood. In this study, four age groups of Pinus massoniana natural forest including young, middle-aged, near-mature, and mature were selected as research subjects to illustrate the C and N stoichiometry interactions among different layers and organs in the forest ecosystem...
February 29, 2024: Scientific Reports
https://read.qxmd.com/read/38414258/biocompatible-folic-acid-strengthened-ag-ir-quantum-dot-nanozyme-for-cell-and-plant-root-imaging-of-cysteine-stress-and-multichannel-monitoring-of-hg-2-and-dopamine
#28
JOURNAL ARTICLE
Zhengquan Yan, Yulian Tang, Zhaoran Zhang, Jing Feng, Junkai Hao, Shuo Sun, Meng Li, Yuguang Song, Wei Dong, Lei Hu
To boost the enzyme-like activity, biological compatibility, and antiaggregation effect of noble-metal-based nanozymes, folic-acid-strengthened Ag-Ir quantum dots (FA@Ag-Ir QDs) were developed. Not only did FA@Ag-Ir QDs exhibit excellent synergistic-enhancement peroxidase-like activity, high stability, and low toxicity, but they could also promote the lateral root propagation of Arabidopsis thaliana . Especially, ultratrace cysteine or Hg2+ could exclusively strengthen or deteriorate the inherent fluorescence property with an obvious "turn-on" or "turn-off" effect, and dopamine could alter the peroxidase-like activity with a clear hypochromic effect from blue to colorless...
February 27, 2024: Analytical Chemistry
https://read.qxmd.com/read/38413860/transcriptomic-analysis-identifies-candidate-genes-for-aphanomyces-root-rot-disease-resistance-in-pea
#29
JOURNAL ARTICLE
Carol Kälin, Edoardo Piombo, Salim Bourras, Agnese Kolodinska Brantestam, Mukesh Dubey, Malin Elfstrand, Magnus Karlsson
BACKGROUND: Aphanomyces euteiches is a soil-borne oomycete that causes root rot in pea and other legume species. Symptoms of Aphanomyces root rot (ARR) include root discoloration and wilting, leading to significant yield losses in pea production. Resistance to ARR is known to be polygenic but the roles of single genes in the pea immune response are still poorly understood. This study uses transcriptomics to elucidate the immune response of two pea genotypes varying in their levels of resistance to A...
February 28, 2024: BMC Plant Biology
https://read.qxmd.com/read/38412665/modulation-of-cellular-metabolism-and-alleviation-of-bacterial-dysbiosis-by-aconiti-lateralis-radix-praeparata-in-non-small-cell-lung-cancer-treatment
#30
JOURNAL ARTICLE
Wen Zhang, Menglei Ding, Yaru Feng, Shuhui Cai, Zichen Luo, Jinjun Shan, Liuqing Di
BACKGROUND: Non-small cell lung cancer (NSCLC) is a highly prevalent and fatal form of lung cancer. In China, Aconiti Lateralis Radix Praeparata (Fuzi in Chinese), derived from the lateral root of Aconitum carmichaeli Debx. (Ranunculaceae, Aconitum), is extensively prescribed to treat cancer in traditional medicine and clinical practice. However, the precise mechanism by which Fuzi treats NSCLC remains unknown. PURPOSE: This article aims to assess the efficacy of Fuzi against NSCLC and elucidate its underlying mechanism...
April 2024: Phytomedicine
https://read.qxmd.com/read/38411666/first-report-of-ilyonectria-coprosmae-causing-root-rot-of-bletilla-striata-in-yunnan-province-of-china
#31
JOURNAL ARTICLE
Shengshuang Duan, Cunwu Guo, Bingbing Jiang, Huichuan Huang, Chen Ye, Dezhi Shi, Shu-Sheng Zhu, Min Yang
Bletilla striata is a valuable medicine in China, belonging to the Orchidaceae family, and is used for treating various ailments such as hemoptysis, pyocutaneous disease, and anal fissure by preventing blood flow, reducing swelling, and promoting granulation. In June 2022, a disease with symptoms similar to root rot was observed on B. striata in the pineland (the area was 0.4 hectare) of Lancang County (22°48'17" N, 99°46'58"22 E), Yunnan Province, China. The root rot incidence rate reached 16% (Table S1)...
February 27, 2024: Plant Disease
https://read.qxmd.com/read/38411608/first-report-of-bretziella-fagacearum-infecting-chestnut-in-michigan
#32
JOURNAL ARTICLE
Karandeep Singh Chahal, Ethan J Wachendorf, Laura Avila Miles, Ava Stallmann, Erin L Lizotte, Mario Mandujano, Jan Byrne, Timothy D Miles, Monique L Sakalidis
In the summer of 2021, a 20-year-old 'Colossal' ( Castanea sativa  ×  C. crenata hybrid) tree in a commercial chestnut orchard in northwest Michigan suddenly declined. Until 2023, an additional 26 adjacent trees declined, suggesting the occurrence of root-graft transmission of the pathogen. The initial wilting of leaves progressed to complete tree death in about 10 days. Symptoms included wilting, and bronzing, followed by tanning starting at leaf apex and margins, with significant defoliation...
February 27, 2024: Plant Disease
https://read.qxmd.com/read/38405354/identification-and-expression-of-strigolactone-biosynthesis-and-signaling-genes-and-the-in-vitro-effects-of-strigolactones-in-olive-olea%C3%A2-europaea-l
#33
JOURNAL ARTICLE
Aslıhan Özbilen, Fatih Sezer, Kemal Melih Taşkin
Strigolactones (SLs), synthesized in plant roots, play a dual role in modulating plant growth and development, and in inducing the germination of parasitic plant seeds and arbuscular mycorrhizal fungi in the rhizosphere. As phytohormones, SLs are crucial in regulating branching and shaping plant architecture. Despite the significant impact of branching strategies on the yield performance of fruit crops, limited research has been conducted on SLs in these crops. In our study, we identified the transcript sequences of SL biosynthesis and signaling genes in olive ( Olea europaea L...
February 2024: Plant Direct
https://read.qxmd.com/read/38397226/genome-wide-analysis-of-the-lateral-organ-boundaries-domain-lbd-gene-family-in-sweet-potato-ipomoea-batatas
#34
JOURNAL ARTICLE
Lei Shi, Xiongjian Lin, Binquan Tang, Rong Zhao, Yichi Wang, Yingyi Lin, Liangliang Wu, Chao Zheng, Hongbo Zhu
The LBD family is a plant-specific transcription factor family that plays an important role in a variety of biological processes. However, the function of IbLBD genes in sweet potato remains unclear. In this study, we identified a total of 53 IbLBD genes in sweet potato. Genetic structure showed that most of the IbLBD genes contained only two exons. Following the phylogenetic investigation, the IbLBD gene family was separated into Class I (45 members) and Class II (8) members. Both classes of proteins contained relatively conservative Motif1 and Motif2 domains...
February 13, 2024: Genes
https://read.qxmd.com/read/38396939/genome-wide-identification-of-the-paulownia-fortunei-aux-iaa-gene-family-and-its-response-to-witches-broom-caused-by-phytoplasma
#35
JOURNAL ARTICLE
Jiaming Fan, Minjie Deng, Bingbing Li, Guoqiang Fan
The typical symptom of Paulownia witches' broom (PaWB), caused by phytoplasma infection, is excessive branching, which is mainly triggered by auxin metabolism disorder. Aux/IAA is the early auxin-responsive gene that participates in regulating plant morphogenesis such as apical dominance, stem elongation, lateral branch development, and lateral root formation. However, no studies have investigated the response of the Aux/IAA gene family to phytoplasma infection in Paulownia fortunei . In this study, a total of 62 Aux/IAA genes were found in the genome...
February 13, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38396886/osmyb58-negatively-regulates-plant-growth-and-development-by-regulating-phosphate-homeostasis
#36
JOURNAL ARTICLE
Dongwon Baek, Soyeon Hong, Hye Jeong Kim, Sunok Moon, Ki Hong Jung, Won Tae Yang, Doh Hoon Kim
Phosphate (Pi) starvation is a critical factor limiting crop growth, development, and productivity. Rice ( Oryza sativa ) R2R3-MYB transcription factors function in the transcriptional regulation of plant responses to various abiotic stresses and micronutrient deprivation, but little is known about their roles in Pi starvation signaling and Pi homeostasis. Here, we identified the R2R3-MYB transcription factor gene OsMYB58 , which shares high sequence similarity with AtMYB58 . OsMYB58 expression was induced more strongly by Pi starvation than by other micronutrient deficiencies...
February 12, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38396652/do-deeper-rooting-1-homologs-regulate-the-lateral-root-slope-angle-in-cucumber-cucumis-sativus
#37
JOURNAL ARTICLE
Alexey S Kiryushkin, Elena L Ilina, Tatyana Y Kiikova, Katharina Pawlowski, Kirill N Demchenko
The architecture of the root system is fundamental to plant productivity. The rate of root growth, the density of lateral roots, and the spatial structure of lateral and adventitious roots determine the developmental plasticity of the root system in response to changes in environmental conditions. One of the genes involved in the regulation of the slope angle of lateral roots is DEEPER ROOTING 1 ( DRO1 ). Its orthologs and paralogs have been identified in rice, Arabidopsis, and several other species. However, nothing is known about the formation of the slope angle of lateral roots in species with the initiation of lateral root primordia within the parental root meristem...
February 6, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38395981/dynamic-root-microbiome-sustains-soybean-productivity-under-unbalanced-fertilization
#38
JOURNAL ARTICLE
Mingxing Wang, An-Hui Ge, Xingzhu Ma, Xiaolin Wang, Qiujin Xie, Like Wang, Xianwei Song, Mengchen Jiang, Weibing Yang, Jeremy D Murray, Yayu Wang, Huan Liu, Xiaofeng Cao, Ertao Wang
Root-associated microbiomes contribute to plant growth and health, and are dynamically affected by plant development and changes in the soil environment. However, how different fertilizer regimes affect quantitative changes in microbial assembly to effect plant growth remains obscure. Here, we explore the temporal dynamics of the root-associated bacteria of soybean using quantitative microbiome profiling (QMP) to examine its response to unbalanced fertilizer treatments (i.e., lacking either N, P or K) and its role in sustaining plant growth after four decades of unbalanced fertilization...
February 23, 2024: Nature Communications
https://read.qxmd.com/read/38393757/occurrence-of-stem-rot-on-acacia-mangium-caused-by-amauroderma-subresinosum
#39
JOURNAL ARTICLE
Jin Jun Wu, Zengping Li, Yu Zhang, Zhi Yu Liu
Acacia mangium has the characteristics of developed root system, nitrogen fixation and soil improvement, fast growth and high yield, and improvement of soil fertility. It is often used as a windbreak tree species in rubber plantations, a highway shade tree, for coastal and mountain restoration in Hainan . In October 2021, a stem rot disease with an incidence of 3% was found in Baisha city(19°22'18″N,109°16'58″E), Hainan Province, China. In the early stage of the disease, the crown showed chlorotic leaves, followed by defoliation...
February 23, 2024: Plant Disease
https://read.qxmd.com/read/38393160/bioaccumulation-of-microcystin-lr-and-induced-physio-biochemical-changes-in-rice-oryza-sativa-l-at-vegetative-stage-under-hydroponic-culture-conditions
#40
JOURNAL ARTICLE
Jinlin Jiang, Yue Shi, Feng Tian, Tao Long, Xuzhi Li, Rongrong Ying
Irrigation with water containing a variety of microcystins (MCs) may pose a potential threat to the normal growth of agricultural plants. To investigate the phytotoxicity of MC-LR at environmental concentrations on rice ( Oryza sativa L.), the characteristics of uptake and accumulation in plant tissues, as well as a series of key physio-biochemical process changes in leaves of rice seedlings, were measured at concentrations of 0.10, 1.0, 10.0, and 50.0 μg·L-1 in hydroponic nutrient solutions for 7, 15, 20, and 34 days...
February 4, 2024: Toxins
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