keyword
https://read.qxmd.com/read/38253206/characteristic-analysis-of-bzr-genes-family-and-their-responses-to-hormone-treatments-and-abiotic-stresses-in-carya-illinoinensisa
#21
JOURNAL ARTICLE
Yirui Zhao, Haoyu Wang, Yifan Xu, Ketao Wang, Chunying Huang, Yangyong Deng, Jianqin Huang, Yan Li
As the core of Brassinosteroids (BR) signaling pathway, BR-resistant (BZR) transcription factor regulates thousands of targeted genes mediating photomophogenesis, pollen sterility, cell expansion and stress response. Pecan (Carya illinoinensis) is a famous trees species of Carya, and its nut has high nutritional and economic values. However, there has no report on BZR genes family in pecan yet. Herein, totals of seven CiBZR members were identified in pecan genome, which were predicted to be hydrophilic unstable proteins and located in the nucleus...
January 20, 2024: Plant Science: An International Journal of Experimental Plant Biology
https://read.qxmd.com/read/38244387/integration-of-rice-apocarotenoid-profile-and-expression-pattern-of-carotenoid-cleavage-dioxygenases-reveals-a-positive-effect-of-%C3%AE-ionone-on-mycorrhization
#22
JOURNAL ARTICLE
Cristina Votta, Jian You Wang, Nicola Cavallini, Francesco Savorani, Arianna Capparotto, Kit Xi Liew, Marco Giovannetti, Luisa Lanfranco, Salim Al-Babili, Valentina Fiorilli
Carotenoids are susceptible to degrading processes initiated by oxidative cleavage reactions mediated by Carotenoid Cleavage Dioxygenases that break their backbone, leading to products called apocarotenoids. These carotenoid-derived metabolites include the phytohormones abscisic acid and strigolactones, and different signaling molecules and growth regulators, which are utilized by plants to coordinate many aspects of their life. Several apocarotenoids have been recruited for the communication between plants and arbuscular mycorrhizal (AM) fungi and as regulators of the establishment of AM symbiosis...
January 11, 2024: Plant Physiology and Biochemistry: PPB
https://read.qxmd.com/read/38242840/suppressor-of-max2-1-like-smxl-homologs-are-max2-dependent-repressors-of-physcomitrium-patens-growth
#23
JOURNAL ARTICLE
Ambre Guillory, Mauricio Lopez-Obando, Khalissa Bouchenine, Philippe Le Bris, Alain Lécureuil, Jean-Paul Pillot, Vincent Steinmetz, François-Didier Boyer, Catherine Rameau, Alexandre de Saint Germain, Sandrine Bonhomme
SUPPRESSOR OF MAX2 (SMAX)1-LIKE (SMXL) proteins are a plant-specific clade of type I HSP100/Clp-ATPases. SMXL genes are present in virtually all land plant genomes. However, they have mainly been studied in angiosperms. In Arabidopsis (Arabidopsis thaliana), three functional SMXL subclades have been identified: SMAX1/SMXL2, SMXL345 and SMXL678. Of these, two subclades ensure endogenous phytohormone signal transduction. SMAX1/SMXL2 proteins are involved in KAI2 ligand (KL) signaling, while SMXL678 proteins are involved in strigolactone (SL) signaling...
January 18, 2024: Plant Cell
https://read.qxmd.com/read/38202400/proteomic-analysis-revealed-the-antagonistic-effect-of-decapitation-and-strigolactones-on-the-tillering-control-in-rice
#24
JOURNAL ARTICLE
Yanhui Zhao, Manrong Zha, Congshan Xu, Fangxu Hou, Yan Wang
Removing the panicle encourages the growth of buds on the elongated node by getting rid of apical dominance. Strigolactones (SLs) are plant hormones that suppress tillering in rice. The present study employed panicle removal (RP) and external application of synthesized strigolactones (GR) to modulate rice bud growth at node 2. We focused on the full-heading stage to investigate proteomic changes related to bud germination (RP-Co) and suppression (GR-RP). A total of 434 represented differentially abundant proteins (DAPs) were detected, with 272 DAPs explicitly specified in the bud germination process, 106 in the bud suppression process, and 28 in both...
December 27, 2023: Plants (Basel, Switzerland)
https://read.qxmd.com/read/38194306/contribution-of-signaling-partner-association-to-strigolactone-receptor-selectivity
#25
JOURNAL ARTICLE
Jiming Chen, Tanner J Dean, Diwakar Shukla
The parasitic plant witchweed, Striga hermonthica , results in agricultural losses of billions of dollars per year. It perceives its host via plant hormones called strigolactones, which act as germination stimulants for witchweed. Strigolactone signaling involves substrate binding to the strigolactone receptor, followed by substrate hydrolysis and a conformational change from an inactive, or open state, to an active, or closed state. In the active state, the receptor associates with a signaling partner, MAX2...
January 9, 2024: Journal of Physical Chemistry. B
https://read.qxmd.com/read/38183985/perception-of-butenolides-by-bacillus-subtilis-via-the-%C3%AE-%C3%AE-hydrolase-rsbq
#26
JOURNAL ARTICLE
Kim T Melville, Muhammad Kamran, Jiaren Yao, Marianne Costa, Madeleine Holland, Nicolas L Taylor, Georg Fritz, Gavin R Flematti, Mark T Waters
The regulation of behavioral and developmental decisions by small molecules is common to all domains of life. In plants, strigolactones and karrikins are butenolide growth regulators that influence several aspects of plant growth and development, as well as interactions with symbiotic fungi.1 , 2 , 3 DWARF14 (D14) and KARRIKIN INSENSITIVE2 (KAI2) are homologous enzyme-receptors that perceive strigolactones and karrikins, respectively, and that require hydrolase activity to effect signal transduction.4 , 5 , 6 , 7 RsbQ, a homolog of D14 and KAI2 from the gram-positive bacterium Bacillus subtilis, regulates growth responses to nutritional stress via the alternative transcription factor SigmaB (σB )...
December 28, 2023: Current Biology: CB
https://read.qxmd.com/read/38169533/abscisic-acid-inhibits-germination-of-striga-seeds-and-is-released-by-them-likely-as-a-rhizospheric-signal-supporting-host-infestation
#27
JOURNAL ARTICLE
Muhammad Jamil, Yagiz Alagoz, Jian You Wang, Guan-Ting Erica Chen, Lamis Berqdar, Najeh M Kharbatia, Juan C Moreno, Hendrik N J Kuijer, Salim Al-Babili
Seeds of the root parasitic plant Striga hermonthica undergo a conditioning process under humid and warm environments before germinating in response to host-released stimulants, particularly strigolactones (SLs). The plant hormone abscisic acid (ABA) regulates different growth and developmental processes, and stress response; however, its role during Striga seed germination and early interactions with host plants is under-investigated. Here, we show that ABA inhibited Striga seed germination and that hindering its biosynthesis induced conditioning and germination in unconditioned seeds, which was significantly enhanced by treatment with the SL analog rac-GR24...
January 3, 2024: Plant Journal
https://read.qxmd.com/read/38158302/unraveling-the-potential-of-the-strigolactones-nsp1-nsp2-friendship-in-crop-improvement
#28
JOURNAL ARTICLE
Mariel C Isidra-Arellano, Jawahar Singh, Oswaldo Valdés-López
Strigolactones (SLs) are fundamental to the ability of plants to cope with phosphate deficiency. A recent study by Yuan et al. indicates that the genetic module PHR2/NSP1/NSP2 is crucial in activating SL biosynthesis and signaling under inorganic phosphate (Pi) deficiency. Furthermore, this genetic module is essential for improving Pi and nitrogen homeostasis in rice.
December 28, 2023: Trends in Plant Science
https://read.qxmd.com/read/38154293/the-molecular-paradigm-of-reactive-oxygen-species-ros-and-reactive-nitrogen-species-rns-with-different-phytohormone-signaling-pathways-during-drought-stress-in-plants
#29
REVIEW
Santanu Samanta, Chandra Shekhar Seth, Aryadeep Roychoudhury
Drought is undoubtedly a major environmental constraint that negatively affects agricultural yield and productivity throughout the globe. Plants are extremely vulnerable to drought which imposes several physiological, biochemical and molecular perturbations. Increased generation of reactive oxygen species (ROS) and reactive nitrogen species (RNS) in different plant organs is one of the inevitable consequences of drought. ROS and RNS are toxic byproducts of metabolic reactions and poise oxidative stress and nitrosative stress that are detrimental for plants...
December 7, 2023: Plant Physiology and Biochemistry: PPB
https://read.qxmd.com/read/38153761/detailing-early-shoot-growth-arrest-in-kro-0-x-bg-5-hybrids-of-arabidopsis-thaliana
#30
JOURNAL ARTICLE
Katelyn Sageman-Furnas, Gustavo T Duarte, Roosa A E Laitinen
Shoot growth directly impacts plant productivity. Plants adjust their shoot growth in response to varying environments to maximize resource capture and stress resilience. While several factors controlling shoot growth are known, the complexity of the regulation and the input of the environment are not fully understood. We have investigated shoot growth repression induced by low ambient temperatures in hybrids of Arabidopsis thaliana Kro-0 and BG-5 accessions. To continue our previous studies, we confirmed that the Kro-0 allele of DYNAMIN-RELATED PROTEIN 3B (DRP3B) causes stunted shoot growth in the BG-5 background...
December 28, 2023: Plant & Cell Physiology
https://read.qxmd.com/read/38150090/the-role-of-strigolactone-analog-gr24-in-endogenous-hormone-metabolism-and-hormone-related-gene-expression-in-tobacco-axillary-buds
#31
JOURNAL ARTICLE
Huiyuan Tian, Boxi Tang, Wuwei Fan, Zhiyan Pan, Jiantao Peng, Yuanxiu Wang, Fan Liu, Guoqin Liu
Strigolactone has the potential to influence hormone metabolism, in addition to having a role in inhibiting axillary bud elongation, which could be regulated by the expression of phytohormones-related genes. The elongation of axillary buds affects the economic benefits of tobacco. In this study, it was investigated the effect of strigolactone (SL) on the elongation of tobacco axillary buds and its endogenous hormone metabolism and related gene expression by applying the artificial analog of SL, GR24, and an inhibitor of SL synthesis, TIS-108, to the axillary buds...
December 27, 2023: Plant Cell Reports
https://read.qxmd.com/read/38147706/strigolactones-as-promising-biomolecule-for-oxidative-stress-management-a-comprehensive-review
#32
REVIEW
Sheikh Mansoor, Mudasir A Mir, E M B M Karunathilake, Aatifa Rasool, Dragoş Mihail Ştefănescu, Yong Suk Chung, Hyeon-Jin Sun
Strigolactones, which are a group of plant hormones, have emerged as promising biomolecules for effectively managing oxidative stress in plants. Oxidative stress occurs when the production of reactive oxygen species (ROS) exceeds the plant's ability to detoxify or scavenge these harmful molecules. An elevation in reactive oxygen species (ROS) levels often occurs in response to a range of stressors in plants. These stressors encompass both biotic factors, such as fungal, viral, or nematode attacks, as well as abiotic challenges like intense light exposure, drought, salinity, and pathogenic assaults...
December 16, 2023: Plant Physiology and Biochemistry: PPB
https://read.qxmd.com/read/38136139/physiological-and-transcriptome-analysis-of-the-effects-of-exogenous-strigolactones-on-drought-responses-of-pepper-seedlings
#33
JOURNAL ARTICLE
Huangying Shu, Muhammad Ahsan Altaf, Naveed Mushtaq, Huizhen Fu, Xu Lu, Guopeng Zhu, Shanhan Cheng, Zhiwei Wang
Drought stress significantly restricts the growth, yield, and quality of peppers. Strigolactone (SL), a relatively new plant hormone, has shown promise in alleviating drought-related symptoms in pepper plants. However, there is limited knowledge on how SL affects the gene expression in peppers when exposed to drought stress (DS) after the foliar application of SL. To explore this, we conducted a thorough physiological and transcriptome analysis investigation to uncover the mechanisms through which SL mitigates the effects of DS on pepper seedlings...
November 21, 2023: Antioxidants (Basel, Switzerland)
https://read.qxmd.com/read/38130489/-osdwarf10-transcriptionally-repressed-by-osspl3-regulates-the-nutritional-metabolism-of-polished-rice
#34
JOURNAL ARTICLE
Kang Li, Yan Cheng, Chuanying Fang
Strigolactone (SL) plays essential roles in plant development and the metabolism of rice leaves. However, the impact of SL on the accumulation of nutritional metabolites in polished rice, as well as the transcription factors directly involved in SL synthesis, remains elusive. In this study, we performed a metabolome analysis on polished rice samples from mutants of an SL biosynthetic gene, OsDWARF10 ( OsD10 ). Compared with those in the wild type plants, primary and secondary metabolites exhibited a series of alterations in the d10 mutants...
2023: Frontiers in Plant Science
https://read.qxmd.com/read/38116738/environmentally-adaptive-reshaping-of-plant-photomorphogenesis-by-karrikin-and-strigolactone-signaling
#35
REVIEW
Young-Joon Park, Bo Eun Nam, Chung-Mo Park
Coordinated morphogenic adaptation of growing plants is critical for their survival and propagation under fluctuating environments. Plant morphogenic responses to light and warm temperatures, termed photomorphogenesis and thermomorphogenesis, respectively, have been extensively studied in recent decades. During photomorphogenesis, plants actively reshape their growth and developmental patterns to cope with changes in light regimes. Accordingly, photomorphogenesis is closely associated with diverse growth hormonal cues...
December 20, 2023: Journal of Integrative Plant Biology
https://read.qxmd.com/read/38082240/genome-wide-identification-of-cco-gene-family-in-cucumber-cucumis-sativus-and-its-comparative-analysis-with-a-thaliana
#36
JOURNAL ARTICLE
Jannat Akram, Riffat Siddique, Muhammad Shafiq, Bushra Tabassum, Muhammad Tariq Manzoor, Muhammad Arshad Javed, Samia Anwar, Bader Un Nisa, Muhammad Hamzah Saleem, Bilal Javed, Tabarak Malik, Abd El-Zaher M A Mustafa, Baber Ali
Carotenoid cleavage oxygenase (CCO) is an enzyme capable of converting carotenoids into volatile, aromatic compounds and it plays an important role in the production of two significant plant hormones, i.e., abscisic acid (ABA) and strigolactone (SL). The cucumber plant genome has not been mined for genomewide identification of the CCO gene family. In the present study, we conducted a comprehensive genome-wide analysis to identify and thoroughly examine the CCO gene family within the genomic sequence of Cucumis sativus L...
December 11, 2023: BMC Plant Biology
https://read.qxmd.com/read/38082198/strigolactone-regulates-nitrogen-phosphorus-balance-in-rice
#37
JOURNAL ARTICLE
Huwei Sun, Hanyun Wang, Chengcai Chu
No abstract text is available yet for this article.
December 8, 2023: Science China. Life Sciences
https://read.qxmd.com/read/38069097/the-complex-interplay-between-arbuscular-mycorrhizal-fungi-and-strigolactone-mechanisms-sinergies-applications-and-future-directions
#38
REVIEW
Gökhan Boyno, Younes Rezaee Danesh, Semra Demir, Necmettin Teniz, José M Mulet, Rosa Porcel
Plants, the cornerstone of life on Earth, are constantly struggling with a number of challenges arising from both biotic and abiotic stressors. To overcome these adverse factors, plants have evolved complex defense mechanisms involving both a number of cell signaling pathways and a complex network of interactions with microorganisms. Among these interactions, the relationship between symbiotic arbuscular mycorrhizal fungi (AMF) and strigolactones (SLs) stands as an important interplay that has a significant impact on increased resistance to environmental stresses and improved nutrient uptake and the subsequent enhanced plant growth...
November 26, 2023: International Journal of Molecular Sciences
https://read.qxmd.com/read/38055155/foliar-application-of-strigolactones-improves-the-desiccation-tolerance-grain-yield-and-water-use-efficiency-in-dryland-wheat-through-modulation-of-non-hydraulic-root-signals-and-antioxidant-defense
#39
JOURNAL ARTICLE
Sha Guo, Xiaofei Wei, Baoluo Ma, Yongqing Ma, Zihan Yu, Pufang Li
Non-hydraulic root signals (nHRS) are affirmed as a unique positive response to soil drying, and play a crucial role in regulating water use efficiency and yield formation in dryland wheat production. Strigolactones (SLs) can enhance plant drought adaptability. However, the question of whether strigolactones enhance grain yield and water use efficiency by regulating nHRS and antioxidant defense systems in dryland wheat remains unanswered. In this study, pot experiments were conducted to investigate the effects of strigolactones on nHRS, antioxidant defense system, and grain yield and water use efficiency in dryland wheat...
December 6, 2023: Stress Biol
https://read.qxmd.com/read/38006582/d27-like-carotenoid-isomerases-at-the-crossroads-of-strigolactone-and-aba-biosynthesis
#40
JOURNAL ARTICLE
Zoltán Tolnai, Himani Sharma, Vilmos Soós
Strigolactones and ABA are apocarotenoid-derived plant hormones. Their biosynthesis starts with the conversion of trans-carotenes into cis forms, which serve as direct precursors. Iron-containing DWARF27 isomerases were shown to catalyse or contribute to the trans/cis conversions of these precursor molecules. D27 converts trans-β-carotene into 9-cis-β-carotene which is the first committed step in strigolactone biosynthesis. Recent studies found that its paralog, D27-LIKE1 also catalyses this conversion...
November 25, 2023: Journal of Experimental Botany
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