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Journals Physiology and Molecular Biolo...

Physiology and Molecular Biology of Plants : An International Journal of Functional Plant Biology

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
#1
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/38435857/seed-biopriming-with-ochrobactrum-ciceri-mediated-defense-responses-in-zea-mays-l-against-fusarium-rot
#2
JOURNAL ARTICLE
Hafiza Sibgha Yaqoob, Amna Shoaib, Aneela Anwar, Shagufta Perveen, Sidra Javed, Samina Mehnaz
Seed bio-priming is a simple and friendly technique to improve stress resilience against fungal diseases in plants. An integrated approach of maize seeds biopriming with Ochrobactrum ciceri was applied in Zn-amended soil to observe the response against Fusarium rot disease of Zea mays (L.) caused by Fusarium verticillioides . Initially, the pathogen isolated from the infected corn was identified as F. verticillioides based on morphology and sequences of the internally transcribed spacer region of the ribosomal RNA gene...
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
#3
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/38435855/calcium-signal-regulated-carbohydrate-metabolism-in-wheat-seedlings-under-salinity-stress
#4
JOURNAL ARTICLE
Ya Zhang, Dan Qiao, Zhe Zhang, Yaping Li, Shuqian Shi, Yingli Yang
This study aimed to explore the mechanism by which calcium (Ca) signal regulated carbohydrate metabolism and exogenous Ca alleviated salinity toxicity. Wheat seedlings were treated with sodium chloride (NaCl, 150 mM) alone or combined with 500 μM calcium chloride (CaCl2 ), lanthanum chloride (LaCl3 ) and/or ethylene glycol tetraacetic acid (EGTA) to primarily analyse carbohydrate starch and sucrose metabolism, as well as Ca signaling components. Treatment with NaCl, EGTA, or LaCl3 alone retarded wheat-seedling growth and decreased starch content accompanied by weakened ribulose-1,5-bisphosphate carboxylation/oxygenase (Rubisco) and Rubisco activase activities, as well as enhanced glyceraldehyde-3-phosphate dehydrogenase, phosphoglycerate kinase, alpha-amylase, and beta-amylase activities...
January 2024: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38435854/functional-characterization-of-ghnac2-promoter-conferring-hormone-and-stress-induced-expression-a-potential-tool-to-improve-growth-and-stress-tolerance-in-cotton
#5
JOURNAL ARTICLE
Ram Naresh, Richa Srivastava, Samatha Gunapati, Aniruddha P Sane, Vidhu A Sane
UNLABELLED: The GhNAC2 transcription factor identified from G. herbaceum improves root growth and drought tolerance through transcriptional reprogramming of phytohormone signaling. The promoter of such a versatile gene could serve as an important genetic engineering tool for biotechnological application. In this study, we identified and characterized the promoter of GhNAC2 to understand its regulatory mechanism. GhNAC2 transcription factor increased in root tissues in response to GA, ethylene, auxin, ABA, mannitol, and NaCl...
January 2024: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38435853/reduced-expression-of-chlorophyllide-a-oxygenase-cao-decreases-the-metabolic-flux-for-chlorophyll-synthesis-and-downregulates-photosynthesis-in-tobacco-plants
#6
JOURNAL ARTICLE
Ajaya K Biswal, Gopal K Pattanayak, Kamal Ruhil, Deepika Kandoi, Sushree S Mohanty, Sadhu Leelavati, Vanga S Reddy, Govindjee Govindjee, Baishnab C Tripathy
UNLABELLED: Chlorophyll b is synthesized from chlorophyllide a , catalyzed by chlorophyllide a oxygenase ( CAO ). To examine whether reduced chlorophyll b content regulates chlorophyll (Chl) synthesis and photosynthesis, we raised CAO transgenic tobacco plants with antisense CAO expression, which had lower chlorophyll b content and, thus, higher Chl a / b ratio. Further, these plants had (i) lower chlorophyll b and total Chl content, whether they were grown under low or high light; (ii) decreased steady-state levels of chlorophyll biosynthetic intermediates, due, perhaps, to a feedback-controlled reduction in enzyme expressions/activities; (iii) reduced electron transport rates in their intact leaves, and reduced Photosystem (PS) I, PS II and whole chain electron transport activities in their isolated thylakoids; (iv) decreased carbon assimilation in plants grown under low or high light...
January 2024: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38435852/meta-qtl-and-ortho-analysis-unravels-the-genetic-architecture-and-key-candidate-genes-for-cold-tolerance-at-seedling-stage-in-rice
#7
JOURNAL ARTICLE
Anita Kumari, Priya Sharma, Mamta Rani, Vijay Laxmi, Sahil, Chandan Sahi, Vanisree Satturu, Surekha Katiyar-Agarwal, Manu Agarwal
UNLABELLED: Rice, a critical cereal crop, grapples with productivity challenges due to its inherent sensitivity to low temperatures, primarily during the seedling and booting stages. Recognizing the polygenic complexity of cold stress signaling in rice, a meta-analysis was undertaken, focusing on 20 physiological traits integral to cold tolerance. This initiative allowed the consolidation of genetic data from 242 QTLs into 58 meta-QTLs, thereby significantly constricting the genetic and physical intervals, with 84% of meta-QTLs (MQTLs) being reduced to less than 2 Mb...
January 2024: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38435851/-vvatg6-contributes-to-copper-stress-tolerance-by-enhancing-the-antioxidant-ability-in-transgenic-grape-calli
#8
JOURNAL ARTICLE
Jiaxin Xia, Zicheng Wang, Siyu Liu, Xiang Fang, Abdul Hakeem, Jinggui Fang, Lingfei Shangguan
UNLABELLED: Autophagy, a conserved degradation and reuse process, plays a crucial role in plant cellular homeostasis during abiotic stress. Although numerous autophagy-related genes ( ATGs ) that regulate abiotic stress have been identified, few functional studies have shown how they confer tolerance to copper (Cu) stress. Here, we cloned a novel Vitis vinifera   ATG6 gene ( VvATG6 ) which was induced by 0.5 and 10 mM Cu stress based on transcriptomic data, and transgenic Arabidopsis thaliana , tobacco ( Nicotiana tabacum ), and grape calli were successfully obtained through Agrobacterium -mediated genetic transformation...
January 2024: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38435850/transcriptome-wide-identification-characterization-and-expression-analysis-of-phd-gene-family-in-crocus-sativus
#9
JOURNAL ARTICLE
Aubid Hussain Malik, Nargis Khurshaid, Najwa Shabir, Nasheeman Ashraf
UNLABELLED: Crocus sativus L., of the Iridaceae family, yields world's most prized spice, saffron. Saffron is well known for its distinctive aroma, odour and colour, which are imputed to the presence of some specific glycosylated apocarotenoids. Even though the main biosynthetic pathway and most of the enzymes leading to apocarotenoid production have been identified, the regulatory mechanisms that govern the developmental stage and tissue specific production of apocarotenoids in Crocus remain comparatively unravelled...
January 2024: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38435849/identification-of-nitric-oxide-mediated-defense-signaling-and-its-microrna-mediated-regulation-during-phytophthora-capsici-infection-in-black-pepper
#10
JOURNAL ARTICLE
Srinivasan Asha, Divya Kattupalli, Mallika Vijayanathan, E V Soniya
UNLABELLED: Nitric oxide plays a significant role in the defense signaling during pathogen interaction in plants. Quick wilt disease is a devastating disease of black pepper, and leads to sudden mortality of pepper vines in plantations. In this study, the role of nitric oxide was studied during Phytophthora capsici infection in black pepper variety Panniyur-1. Nitric oxide was detected from the different histological sections of P. capsici infected leaves. Furthermore, the genome-wide transcriptome analysis characterized typical domain architect and structural features of nitrate reductase ( NR ) and nitric oxide associated 1 ( NOA1 ) gene that are involved in nitric oxide biosynthesis in black pepper...
January 2024: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222287/responding-to-light-signals-a-comprehensive-update-on-photomorphogenesis-in-cyanobacteria
#11
REVIEW
Anjali Gupta, Priyul Pandey, Rinkesh Gupta, Sapna Tiwari, Shailendra Pratap Singh
Cyanobacteria are ancestors of chloroplast and perform oxygen-evolving photosynthesis similar to higher plants and algae. However, an obligatory requirement of photons for their growth results in the exposure of cyanobacteria to varying light conditions. Therefore, the light environment could act as a signal to drive the developmental processes, in addition to photosynthesis, in cyanobacteria. These Gram-negative prokaryotes exhibit characteristic light-dependent developmental processes that maximize their fitness and resource utilization...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222286/3bs-of-crispr-cas-mediated-genome-editing-in-plants-exploring-the-basics-bioinformatics-and-biosafety-landscape
#12
REVIEW
Lalit Kharbikar, Rocktotpal Konwarh, Monoswi Chakraborty, Shweta Nandanwar, Ashish Marathe, Yogesh Yele, Probir Kumar Ghosh, Neeti Sanan-Mishra, Anand Pratap Singh
UNLABELLED: The recent thrust in research has projected the type II clustered regularly interspaced short palindromic repeats and associated protein 9 (CRISPR-Cas9) system as an avant-garde plant genome editing tool. It facilitates the induction of site-specific double-stranded DNA cleavage by the RNA-guided DNA endonuclease (RGEN), Cas9. Elimination, addition, or alteration of sections in DNA sequence besides the creation of a knockout genotype (CRISPRko) is aided by the CRISPR-Cas9 system in its wild form (wtCas9)...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222285/genome-wide-identification-characterization-and-expression-analysis-unveil-the-roles-of-pseudouridine-synthase-pus-family-proteins-in-rice-development-and-stress-response
#13
JOURNAL ARTICLE
Yashika Dhingra, Milinda Lahiri, Nikunj Bhandari, Inderjit Kaur, Shitij Gupta, Manu Agarwal, Surekha Katiyar-Agarwal
UNLABELLED: Pseudouridylation, the conversion of uridine (U) to pseudouridine (Ѱ), is one of the most prevalent and evolutionary conserved RNA modifications, which is catalyzed by pseudouridine synthase (PUS) enzymes. Ѱs play a crucial epitranscriptomic role by regulating attributes of cellular RNAs across diverse organisms. However, the precise biological functions of PUSs in plants remain largely elusive. In this study, we identified and characterized 21 members in the rice PUS family which were categorized into six distinct subfamilies, with RluA and TruA emerging as the most extensive...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222284/comparative-metabolomic-profiling-and-nutritional-chemistry-of-chenopodium-quinoa-of-diverse-panicle-architecture-and-agroecological-zones
#14
JOURNAL ARTICLE
Zakia Habib, Siddra Ijaz, Imran Ul Haq
UNLABELLED: Chenopodium quinoa possesses remarkable nutritional value and adaptability to various agroecological conditions. Panicle architecture influences the number of spikelets and grains in a panicle, ultimately leading to productivity and yield. Therefore, this study aimed to investigate the metabolites, nutrients, and minerals in Chenopodium quinoa accessions of varying panicle architecture. Metabolic profiling using liquid chromatography-mass spectrometry (LC-MS) analysis identified seventeen metabolites, including flavonoids, phenolics, fatty acids, terpenoids, phenylbutenoid dimers, amino acids, and saccharides...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222283/nitric-oxide-no-modulates-low-temperature-stress-signaling-via-s-nitrosation-a-no-ptm-inducing-ethylene-biosynthesis-inhibition-leading-to-enhanced-post-harvest-shelf-life-of-agricultural-produce
#15
REVIEW
Yaiphabi Sougrakpam, Priyanka Babuta, Renu Deswal
UNLABELLED: Low temperature (cold) stress is one of the major abiotic stress conditions affecting crop productivity worldwide. Nitric oxide (NO) is a dynamic signaling molecule that interacts with various stress regulators and provides abiotic stress tolerance. Stress enhanced NO contributes to S-nitrosothiol accumulation which causes oxidation of the -SH group in proteins leading to S-nitrosation, a post-translational modification. Cold stress induced in vivo S-nitrosation of > 240 proteins majorly belonging to stress/signaling/redox (myrosinase, SOD, GST, CS, DHAR), photosynthesis (RuBisCO, PRK), metabolism (FBA, GAPDH, TPI, SBPase), and cell wall modification (Beta-xylosidases, alpha-l-arabinogalactan) in different crop plants indicated role of NO in these important cellular and metabolic pathways...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222282/improvement-of-biochemical-and-antioxidant-responses-of-borage-borago-officinalis-l-under-drought-stress-conditions-with-the-use-of-vermicompost-and-zinc-sulfate
#16
JOURNAL ARTICLE
Yaghoub Behzadi, Amin Salehi, Mohsen Movahhedi Dehnavi, Hamidreza Balouchi
Drought poses a significant threat to crop production systems. Therefore, this study aimed to investigate the impact of vermicompost and foliar application of zinc sulfate under conditions of reduced irrigation on the physiological properties of Borage. A two-year experiment was conducted following a split factorial design within a randomized complete block design with three replications at Yasouj University Research Station in 2017 and 2018. The primary factor involved three levels of irrigation cut-off (I1: full irrigation, I2: irrigation cut-off at the flowering stage, and I3: irrigation cut-off during the seed-filling stage)...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222281/jasmonates-and-salicylic-acid-as-enigmatic-orchestrators-of-capitula-senescence-in-cosmos-sulphureus-cav
#17
JOURNAL ARTICLE
Mohammad Lateef Lone, Sumira Farooq, Aehsan Ul Haq, Foziya Altaf, Shazia Parveen, Inayatullah Tahir
The fine-tuning of the intricate network of plant growth hormones empowers the balanced responses of plants to environmental and developmental signals. Salicylic acid and jasmonates are emerging as advanced hormones that provide plants with resistance to environmental stresses. Senescence is characterized by coordinated and systematic crosstalk between phytohormones that remodels the biochemical and physiological mechanisms in plants, resulting in cell death. The present investigation examines the role of jasmonates (methyl jasmonate and jasmonic acid) and salicylic acid (SA) in regulating the petal senescence of detached stalks of Cosmos sulphureus ...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222280/inhibitory-impact-of-mgo-nanoparticles-on-oxidative-stress-and-other-physiological-attributes-of-spinach-plant-grown-under-field-condition
#18
JOURNAL ARTICLE
Ayushi Gautam, Priya Sharma, Sharmilla Ashokhan, Jamilah Syafawati Yaacob, Vineet Kumar, Praveen Guleria
UNLABELLED: Green synthesis of NPs is preferred due to its eco-friendly procedures and non-toxic end products. However, unintentional release of NPs can lead to environmental pollution affecting living organisms including plants. NPs accumulation in soil can affect the agricultural sustainability and crop production. In this context, we report the morphological and biochemical response of spinach nanoprimed with MgO-NPs at concentrations, 10, 50, 100, and 150 µg/ml. Nanopriming reduced the spinach root length by 14-26%, as a result a reduction of 20-74% in the length of spinach shoots was observed...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222279/role-of-calcium-in-regulating-key-steps-in-phytochrome-induced-signaling-pathways
#19
REVIEW
Manas K Tripathy, Stanley J Roux
A major focus in the field of signal transduction pathways in plants has been the role of calcium ions in mediating diverse sensory responses. Among these responses, those initiated by the red-light activated photoreceptor, phytochrome have received increasing attention in recent years. Although not all phytochrome responses are mediated by calcium, many of them are, and a number of recent publications have clarified just how calcium helps to transduce some of the transcriptomic changes induced by phytochrome...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://read.qxmd.com/read/38222278/calcium-imaging-a-technique-to-monitor-calcium-dynamics-in-biological-systems
#20
REVIEW
Soma Ghosh, Monika Dahiya, Amit Kumar, Malathi Bheri, Girdhar K Pandey
Calcium ion (Ca2+ ) is a multifaceted signaling molecule that acts as an important second messenger. During the course of evolution, plants and animals have developed Ca2+ signaling in order to respond against diverse stimuli, to regulate a large number of physiological and developmental pathways. Our understanding of Ca2+ signaling and its components in physiological phenomena ranging from lower to higher organisms, and from single cell to multiple tissues has grown exponentially. The generation of Ca2+ transients or signatures for various stress factor is a well-known mechanism adopted in plant and animal systems...
December 2023: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
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