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

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https://www.readbyqxmd.com/read/29398848/aeroponics-for-adventitious-rhizogenesis-in-evergreen-haloxeric-tree-tamarix-aphylla-l-karst-influence-of-exogenous-auxins-and-cutting-type
#1
Udit Sharma, Vinod Kataria, N S Shekhawat
Tamarix aphylla (L.) Karst., a drought resistant halophyte tree, is an agroforestry species which can be used for reclamation of waterlogged saline and marginal lands. Due to very low seed viability and unsuitable conditions for seed germination, the tree is becoming rare in Indian Thar desert. Present study concerns the evaluation of aeroponics technique for vegetative propagation of T. aphylla. Effect of various exogenous auxins (indole-3-acetic acid, indole-3-butyric acid, naphthalene acetic acid) at different concentrations (0...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398847/characterization-of-some-bread-wheat-genotypes-using-molecular-markers-for-drought-tolerance
#2
Özlem Ateş Sönmezoğlu, Begüm Terzi
Because of its wide geographical adaptation and importance in human nutrition, wheat is one of the most important crops in the world. However, wheat yield has reduced due to drought stress posing threat to sustainability and world food security in agricultural production. The first stage of drought tolerant variety breeding occurs on the molecular and biochemical characterization and classification of wheat genotypes. The aim of the present study is characterization of widely grown bread wheat cultivars and breeding lines for drought tolerance so as to be adapted to different regions in Turkey...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398846/genetic-diversity-of-bread-wheat-genotypes-in-iran-for-some-nutritional-value-and-baking-quality-traits
#3
Reza Amiri, Shahryar Sasani, Saeid Jalali-Honarmand, Ali Rasaei, Behnaz Seifolahpour, Sohbat Bahraminejad
Genetic variation among 78 irrigated bread wheat genotypes was studied for their nutritional value and baking quality traits as well as some agronomic traits. The experiment was conducted in a randomized complete block design with three replicates under normal and terminal drought stress conditions in Kermanshah, Iran during 2012-2013 cropping season. The results of combined ANOVA indicated highly significant genotypic differences for all traits. All studied traits except grain yield, hectoliter weight and grain fiber content were significantly affected by genotype × environment interaction...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398845/genetic-diversity-of-cucumber-estimated-by-morpho-physiological-and-est-ssr-markers
#4
Sudhakar Pandey, Waquar Akhter Ansari, Maneesh Pandey, Bijendra Singh
In the present study, genetic variation among 40 cucumber genotypes was analyzed by means of morpho-physiological traits and 21 EST-SSR markers. Diversity was observed for morpho-physiological characters like days to 50% female flowering (37-46.9, number of fruits/plant (1.33-5.80), average fruit weight (41-333), vine length (36-364), relative water content (58.5-92.7), electrolyte leakage (15.9-37.1), photosynthetic efficiency (0.40-0.75) and chlorophyll concentration index (11.1-28.6). The pair wise Jaccard similarity coefficient ranged from 0...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398844/transcriptome-analysis-and-development-of-simple-sequence-repeat-ssr-markers-in-zingiber-striolatum-diels
#5
Kuanping Deng, Renju Deng, Jianxin Fan, Enfa Chen
Illumina-based paired-end sequencing technology was used for the high-throughput transcriptome sequencing of combined Zingiber striolatum Diels tissues (i.e., root, stem, leaf, flower, and fruit tissues). More than 130 million sequencing reads were generated, and a de novo assembly yielded 287,959 contigs and 112,107 unigenes with an average length of 1029 and 28,891 bp, respectively. Similarity searches with known sequences led to the identification of 51,804 (46.21%) genes. Of the annotated unigenes, 6867 and 51,987 were assigned to Gene Ontology and Clusters of Orthologous Groups categories, respectively...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398843/phytotoxicity-of-pesticides-mancozeb-and-chlorpyrifos-correlation-with-the-antioxidative-defence-system-in-allium-cepa
#6
Firdos Fatma, Sonam Verma, Aisha Kamal, Alka Srivastava
Pesticides are a group of chemical substances which are widely used to improve agricultural production. However, these substances could be persistent in soil and water, accumulative in sediment or bio-accumulative in biota depending on their solubility, leading to different types of environmental pollution. The present study was done to assess the impact of pesticides-mancozeb and chlorpyrifos, via morphological and physiological parameters using Allium cepa test system. Phytotoxic effects of pesticides were examined via germination percentage, survival percentage, root and shoot length, root shoot length ratio, seedling vigor index, percentage of phytotoxicity and tolerance index...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398842/silicon-deposition-in-roots-minimizes-the-cadmium-accumulation-and-oxidative-stress-in-leaves-of-cowpea-plants
#7
Talitha Soares Pereira, Thaís Soares Pereira, Carla Leticia Figueredo de Carvalho Souza, Emilly Juliane Alvino Lima, Bruno Lemos Batista, Allan Klynger da Silva Lobato
Silicon (Si) frequently accumulates in plants tissues, mainly in roots of dicotyledons, such as cowpea. By contrast, Cadmium (Cd) is a metal that is extremely toxic to plant metabolism. This research aims to investigate if the deposition of Si in root can reduce Cd contents and minimize its negative effects on leaves, measuring gas exchange, chlorophyll fluorescence, antioxidant metabolism, photosynthetic pigments and growth, which may explain the possible role of Si in the attenuation of Cd toxicity in cowpea...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398841/plants-genotoxicity-as-pollution-bioindicator-in-jordan-using-comet-assay
#8
Wesam Al Khateeb
This study aimed to assess genotoxicity in wild plants grown in Jordan as a pollution bioindicator. Comet assay was used to evaluate the level of DNA damage in plants collected from different areas in Jordan. Significant differences in plant DNA damage index and frequency were observed among sites of collection. Results show that plants collected from Aqaba back road and Ghour Assaal had significantly higher damage values. In contrast, plants collected from Wadi Rum, Al Naqab Heights, Swaimeh/Deadsea and Alshoneh Aljanobyeh showed low levels of DNA damage...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398840/desiccation-induced-ros-accumulation-and-lipid-catabolism-in-recalcitrant-madhuca-latifolia-seeds
#9
Jipsi Chandra, S Keshavkant
Loss of viability in desiccation-sensitive seeds of Madhuca latifolia (Roxb.) J. F. Macbr., an important multipurpose tropical tree, was correlated with seed water content (WC). WC declined from 0.59 to 0.19 g g-1 fresh mass, 35 days after harvest from mother plant, at ambient conditions (temperature 25 ± 2 °C, relative humidity 50 ± 2%). The desiccation-induced reduction in viability was related with an accumulation of reactive oxygen species (ROS) that promoted lipid peroxidation associated loss of membrane integrity...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398839/expression-pattern-of-salt-tolerance-related-genes-in-aegilops-cylindrica
#10
Mahbube Arabbeigi, Ahmad Arzani, Mohammad Mahdi Majidi, Badraldin Ebrahim Sayed-Tabatabaei, Prasenjit Saha
Aegilops cylindrica, a salt-tolerant gene pool of wheat, is a useful plant model for understanding mechanism of salt tolerance. A salt-tolerant USL26 and a salt-sensitive K44 genotypes of A. cylindrica, originating from Uremia Salt Lake shores in Northwest Iran and a non-saline Kurdestan province in West Iran, respectively, were identified based on screening evaluation and used for this work. The objective of the current study was to investigate the expression patterns of four genes related to ion homeostasis in this species...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398838/alternaria-brassicae-interactions-with-the-model-brassicaceae-member-arabidopsis-thaliana-closely-resembles-those-with-mustard-brassica-juncea
#11
Sayanti Mandal, Sivasubramanian Rajarammohan, Jagreet Kaur
Alternaria leaf blight, a disease of oilseed Brassicas is caused by a necrotrophic phytopathogenic fungus Alternaria brassicae. The details of its pathogenesis and defence responses elicited in the host upon infection have not been thoroughly investigated. Here, Arabidopsis accession Gre-0 was identified to be highly susceptible to A. brassicae. A comparative histopathological analysis for disease progression and plant responses to A. brassicae in Arabidopsis and Brassica juncea revealed significant similarities between the two compatible pathosystems...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398837/impact-of-combined-stress-of-high-temperature-and-water-deficit-on-growth-and-seed-yield-of-soybean
#12
Kanchan Jumrani, Virender Singh Bhatia
Elevated temperature and water deficit are the major abiotic factors restricting plant growth. While in nature these two stresses often occur at the same time; little is known about their combined effect on plants. Therefore, the main objective of the current study was to observe the effect of these two stresses on phenology, dry matter and seed yield in soybean. Two soybean genotypes JS 97-52 and EC 538828 were grown under green-house conditions which were maintained at different day/night temperatures of 30/22, 34/24, 38/26 and 42/28 °C with an average temperature of 26, 29, 32 and 35 °C, respectively...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398836/grape-response-to-salinity-stress-and-role-of-iron-nanoparticle-and-potassium-silicate-to-mitigate-salt-induced-damage-under-in-vitro-conditions
#13
Ali-Akbar Mozafari, Ali Ghadakchi Asl, Nasser Ghaderi
Grape softwood cuttings of Khoshnaw cultivar were cultured using tissue-culture methods to study the effect of iron nanoparticles and potassium silicate under salinity conditions during the 2015-2016 growing season. The treatments consisted of salinity stress (0, 50, and 100 mM NaCl), nanoparticles of iron (0, 0.08, and 0.8 ppm), and potassium silicate (0, 1, 2 mM). The results also showed that the application of iron nanoparticles and potassium silicate significantly increased the total protein content and reduced proline, enzymatic antioxidant activity and hydrogen peroxide...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398835/redox-metabolic-and-molecular-parameters-for-screening-drought-tolerant-indigenous-aromatic-rice-cultivars
#14
Soumen Bhattacharjee, Nivedita Dey
The present work makes an effort to assess and standardize some redox metabolic and molecular parameters for screening drought tolerant indigenous aromatic rice cultivars of West Bengal, India. PEG-induced dehydration stress during early germination caused disruption of redox-homeostasis and oxidative damage in four IARVs (Jamainadu, Tulaipanji, Sitabhog and Badshabhog) by enhancing the accumulation of pro-oxidants [assessed in terms of oxidation of 2',7'-dichlorofluorescindiacetate (DCFDA), accumulation of [Formula: see text] and H2O2 and in situ staining of reactive oxygen species (ROS) in germinating tissue], significant reduction of antioxidative defence (total antioxidant and radical scavenging capacity, total thiol content and activities of antioxidative defence enzymes) and aggravating protein oxidation and lipid peroxidation (assessed in terms of free carbonyl content and accumulation of thiobarbituric acid reactive substances)...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29398834/oxidative-enzymes-activity-during-abiotic-and-biotic-stresses-in-zea-mays-leaves-and-roots-exposed-to-cu-methyl-jasmonate-and-trigonotylus-caelestialium
#15
Agnieszka Hanaka, Lech Lechowski, Magdalena Mroczek-Zdyrska, Joanna Strubińska
The activities of antioxidative enzymes, i.e. superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX), and guaiacol peroxidase (GPX), in the leaves and roots of Zea mays L. plants exposed to abiotic (methyl jasmonate, MJ, or/and copper, Cu) and biotic (Trigonotylus caelestialium) factors were examined. The contribution of MJ as a signal molecule in the defense mechanism against abiotic and biotic stresses was studied. All plants were cultivated hydroponically and divided into three groups: not treated by abiotic factors (control), treated by MJ only (MJ) and by MJ and Cu (MJ + Cu) and in each group half of the plants were exposed to T...
February 2018: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29158643/in-vitro-propagation-ex-vitro-rooting-and-leaf-micromorphology-of-bauhinia-racemosa-lam-a-leguminous-tree-with-medicinal-values
#16
Udit Sharma, Vinod Kataria, N S Shekhawat
A micropropagation system for Bauhinia racemosa Lam. was developed involving axillary shoot proliferation and ex vitro rooting using nodal explants obtained from mature tree. MS medium with 3.0 mg l(-1) BA (6-benzyladenine) was optimum for shoot bud induction. For shoot multiplication, mother explants were transferred repeatedly on medium containing low concentration of BA (0.75 mg l(-1)). Number of shoots was increased up to two passages and decreased thereafter. Shoot multiplication was further enhanced on MS medium containing 0...
October 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29158642/insights-into-nuclear-dna-content-hydrogen-peroxide-and-antioxidative-enzyme-activities-during-transverse-thin-cell-layer-organogenesis-and-ex-vitro-acclimatization-of-malaxis-wallichii-a-threatened-medicinal-orchid
#17
Biswajit Bose, Suman Kumaria, Hiranjit Choudhury, Pramod Tandon
Malaxis wallichii (Lindl.) Deb, a small, perennial, monopodial, terrestrial orchid, is endemic to tropical Himalayas at an altitude of 1200-2000 m asl. The pseudobulbs are important ingredients of century old drug 'Ashtavarga' and a polyherbal energetic tonic 'Chyavanprash'. An efficient genetically stable in vitro propagation protocol using transverse thin cell layer culture system was established for M. wallichii. In the present report, meta-topolin alone proved to be three times more beneficial compared to other routinely used cytokinins in inducing highest number of shoot buds, plant height and growth of regenerated shoots...
October 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29158641/development-of-an-efficient-and-reproducible-regeneration-system-in-wheat-triticum-aestivum-l
#18
Rakesh Kumar, Harohalli Masthigowda Mamrutha, Amandeep Kaur, Karnam Venkatesh, Anita Grewal, Raj Kumar, Vinod Tiwari
The availability of reproducible regeneration system through tissue culture is a major bottleneck in wheat improvement program. The present study has considered to develop an efficient callus induction and regeneration system using mature and immature embryos as explants in recently released agronomically superior spring wheat varieties. An efficient sterilization process was standardized using 0.1% HgCl2 and 70% ethanol for both seeds and embryos. The maximum possible combinations of plant growth regulators (PGRs) were evaluated for their effect on different wheat regeneration processes through tissue culture starting from callus to root induction...
October 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29158640/a-sucrose-non-fermenting-1-related-protein-kinase-1-gene-from-potato-stsnrk1-regulates-carbohydrate-metabolism-in-transgenic-tobacco
#19
Feibing Wang, Yuxiu Ye, Xinhong Chen, Jizhong Wang, Zhiyuan Chen, Qing Zhou
Sucrose non-fermenting-1-related protein kinase 1 (SnRK1) has been shown to play an essential role in regulating saccharide metabolism and starch biosynthesis of plant. The regulatory role of StSnRK1 from potato in regulating carbohydrate metabolism and starch accumulation has not been investigated. In this work, a cDNA encoding the SnRK1 protein, named StSnRK1, was isolated from potato. The open reading frame contained 1545 nucleotides encoding 514 amino acids. Subcellular localization analysis in onion epidermal cells indicated that StSnRK1 protein was localized to the nucleus...
October 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/29158639/mining-and-characterization-of-est-ssr-markers-for-zingiber-officinale-roscoe-with-transferability-to-other-species-of-zingiberaceae
#20
Praveen Awasthi, Ashish Singh, Gulfam Sheikh, Vidushi Mahajan, Ajai Prakash Gupta, Suphla Gupta, Yashbir S Bedi, Sumit G Gandhi
Zingiber officinale is a model spice herb, well known for its medicinal value. It is primarily a vegetatively propagated commercial crop. However, considerable diversity in its morphology, fiber content and chemoprofiles has been reported. The present study explores the utility of EST-derived markers in studying genetic diversity in different accessions of Z. officinale and their cross transferability within the Zingiberaceae family. A total of 38,115 ESTs sequences were assembled to generate 7850 contigs and 10,762 singletons...
October 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
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