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https://www.readbyqxmd.com/read/29344848/current-status-and-future-possibilities-of-molecular-genetics-techniques-in-brassica-napus
#1
REVIEW
Muhammad Afzal, Salem Safer Alghamdi, Muhammad Habib Ur Rahman, Awais Ahmad, Tahir Farooq, Mukhtar Alam, Imtiaz Ali Khan, Hidayat Ullah, Wajid Nasim, Shah Fahad
As PCR methods have improved over the last 15 years, there has been an upsurge in the number of new DNA marker tools, which has allowed the generation of high-density molecular maps for all the key Brassica crop types. Biotechnology and molecular plant breeding have emerged as a significant tool for molecular understanding that led to a significant crop improvement in the Brassica napus species. Brassica napus possess a very complicated polyploidy-based genomics. The quantitative trait locus (QTL) is not sufficient to develop effective markers for trait introgression...
January 17, 2018: Biotechnology Letters
https://www.readbyqxmd.com/read/29341123/do-longer-root-hairs-improve-phosphorus-uptake-testing-the-hypothesis-with-transgenic-brachypodium-distachyon-lines-overexpressing-endogenous-rsl-genes
#2
Chunyan Zhang, Richard J Simpson, Chul Min Kim, Norman Warthmann, Emmanuel Delhaize, Liam Dolan, Mary E Byrne, Yu Wu, Peter R Ryan
Mutants without root hairs show reduced inorganic orthophosphate (Pi) uptake and compromised growth on soils when Pi availability is restricted. What is less clear is whether root hairs that are longer than wild-type provide an additional benefit to phosphorus (P) nutrition. This was tested using transgenic Brachypodium lines with longer root hairs. The lines were transformed with the endogenous BdRSL2 and BdRSL3 genes using either a constitutive promoter or a root hair-specific promoter. Plants were grown for 32 d in soil amended with various Pi concentrations...
January 17, 2018: New Phytologist
https://www.readbyqxmd.com/read/29335419/a-global-view-of-transcriptome-dynamics-during-male-floral-bud-development-in-populus-tomentosa
#3
Zhong Chen, Pian Rao, Xiaoyu Yang, Xiaoxing Su, Tianyun Zhao, Kai Gao, Xiong Yang, Xinmin An
To obtain a comprehensive overview of the dynamic transcriptome during male floral bud development in Populus tomentosa, high-throughput RNA-seq was conducted during eight flowering-related stages. Among the 109,212 de novo assembled unigenes, 6,959 were differentially expressed during the eight stages. The overrepresented classed of genes identified by Gene Ontology (GO) enrichment included 'response to environmental stimuli' and 'plant-type spore development'. One-third of the differentially expressed genes were transcription factors (TFs)...
January 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29331851/rhizospheric-microorganisms-as-a-solution-for-the-recovery-of-soils-contaminated-by-petroleum-a-review
#4
REVIEW
Jéssica Janzen Dos Santos, Leila Teresinha Maranho
Petroleum is currently the world's main energy source, and its demand is expected to increase in coming years. Its intense exploitation can lead to an increase in the number of environmental accidents, such as spills and leaks, and an increase in the generation of environmental liabilities resulting from refining. Due to its hydrophobic characteristics and slow process of biodegradation, petroleum can remain in the environment for a long time and its toxicity can cause a negative impact on both terrestrial and aquatic ecosystems, with the main negative effects related to its carcinogenic potential for both animals and humans...
January 11, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29327217/cryobiotechnology-of-apple-malus-spp-development-progress-and-future-prospects
#5
REVIEW
Min-Rui Wang, Long Chen, Jaime A Teixeira da Silva, Gayle M Volk, Qiao-Chun Wang
Cryopreservation provides valuable genes for further breeding of elite cultivars, and cryotherapy improves the production of virus-free plants in Malus spp., thus assisting the sustainable development of the apple industry. Apple (Malus spp.) is one of the most economically important temperate fruit crops. Wild Malus genetic resources and existing cultivars provide valuable genes for breeding new elite cultivars and rootstocks through traditional and biotechnological breeding programs. These valuable genes include those resistant to abiotic factors such as drought and salinity, and to biotic factors such as fungi, bacteria and aphids...
January 11, 2018: Plant Cell Reports
https://www.readbyqxmd.com/read/29326478/publisher-correction-transcriptome-dynamics-revealed-by-a-gene-expression-atlas-of-the-early-arabidopsis-embryo
#6
Joakim Palovaara, Shunsuke Saiga, Jos R Wendrich, Nicole van 't Wout Hofland, J Paul van Schayck, Friederike Hater, Sumanth Mutte, Jouke Sjollema, Mark Boekschoten, Guido J Hooiveld, Dolf Weijers
In the version of this Resource originally published, the author information was incorrect. Jos R. Wendrich should have had a present address: Department of Plant Biotechnology and Bioinformatics and VIB Center for Plant Systems Biology, Ghent University, Technologiepark 927, 9052 Ghent, Belgium. Mark Boekschoten and Guido J. Hooiveld should have been affiliated to the Nutrition, Metabolism and Genomics Group, Division of Human Nutrition, Wageningen University, 6708 WE Wageningen, The Netherlands. In addition, the version of Supplementary Table 5 originally published with this Resource was not the intended final version and included inaccurate citations to the display items of the Resource, and the file format and extension did not match...
January 11, 2018: Nature Plants
https://www.readbyqxmd.com/read/29323202/genome-based-classification-of-micromonosporae-with-a-focus-on-their-biotechnological-and-ecological-potential
#7
Lorena Carro, Imen Nouioui, Vartul Sangal, Jan P Meier-Kolthoff, Martha E Trujillo, Maria Del Carmen Montero-Calasanz, Nevzat Sahin, Darren Lee Smith, Kristi E Kim, Paul Peluso, Shweta Deshpande, Tanja Woyke, Nicole Shapiro, Nikos C Kyrpides, Hans-Peter Klenk, Markus Göker, Michael Goodfellow
There is a need to clarify relationships within the actinobacterial genus Micromonospora, the type genus of the family Micromonosporaceae, given its biotechnological and ecological importance. Here, draft genomes of 40 Micromonospora type strains and two non-type strains are made available through the Genomic Encyclopedia of Bacteria and Archaea project and used to generate a phylogenomic tree which showed they could be assigned to well supported phyletic lines that were not evident in corresponding trees based on single and concatenated sequences of conserved genes...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29322084/data-on-a-delivery-of-biomolecules-into-nicothiana-benthamiana-leaves-using-different-nanoparticles
#8
Antonida V Makhotenko, Ekaterina A Snigir, Natalia O Kalinina, Valentin V Makarov, Michael E Taliansky
Nanoparticles (NPs) have a number of unique properties associated with their ultrasmall size and exhibit many advantages compared with existing plant biotechnology platforms for delivery of proteins, RNA and DNA of various sizes into the plant cells (Arruda et al., 2015; Silva et al., 2010; Martin-Ortigosa et al., 2014; Mitter et al., 2017) [1], [2], [3], [4]. The data presented in this article demonstrate a delivery of biomolecules into Nicotiana benthamiana plant leaves using various types of NPs including gold, iron oxide and chitosan NPs and methods of biolistic bombardment and infiltration...
February 2018: Data in Brief
https://www.readbyqxmd.com/read/29319532/the-ability-of-a-novel-strain-scheffersomyces-syn-candida-shehatae-isolated-from-rotten-wood-to-produce-arabitol
#9
Monika Kordowska-Wiater, Adam Kuzdraliński, Tomasz Czernecki, Zdzisław Targoński, Magdalena Frąc, Karolina Oszust
Arabitol is a polyalcohol which has about 70% of the sweetness of sucrose and an energy density of 0.2 kcal/g. Similarly to xylitol, it can be used in the food and pharmaceutical industries as a natural sweetener, a texturing agent, a dental caries reducer, and a humectant. Biotechnological production of arabitol from sugars represents an interesting alternative to chemical production. The yeast Scheffersomyces shehatae strain 20BM-3 isolated from rotten wood was screened for its ability to produce arabitol from L-arabinose, glucose, and xylose...
September 27, 2017: Polish Journal of Microbiology
https://www.readbyqxmd.com/read/29311639/exploring-viral-diversity-in-a-unique-south-african-soil-habitat
#10
Jane Segobola, Evelien Adriaenssens, Tsepo Tsekoa, Konanani Rashamuse, Don Cowan
The Kogelberg Biosphere Reserve in the Cape Floral Kingdom in South Africa is known for its unique plant biodiversity. The potential presence of unique microbial and viral biodiversity associated with this unique plant biodiversity led us to explore the fynbos soil using metaviromic techniques. In this study, metaviromes of a soil community from the Kogelberg Biosphere Reserve has been characterised in detail for the first time. Metaviromic DNA was recovered from soil and sequenced by Next Generation Sequencing...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29311272/characterization-of-three-sugar-transporters-stp7-stp8-and-stp12
#11
Theresa Maria Rottmann, Franz Klebl, Sabine Schneider, Dominik Kischka, David Rüscher, Norbert Sauer, Ruth Stadler
The controlled distribution of sugars between assimilate exporting source tissues and sugar consuming sink tissues is a key element for plant growth and development. Monosaccharide transporters of the SUGAR TRANSPORT PROTEIN (STP) family contribute to the uptake of sugars into sink cells. Here we report on the characterization of STP7, STP8 and STP12, three previously uncharacterized members of this family in Arabidopsis thaliana. Heterologous expression in yeast (Saccharomyces cerevisiae) revealed that STP8 and STP12 catalyze the high-affinity proton-dependent uptake of glucose and also accept galactose and mannose...
January 8, 2018: Plant Physiology
https://www.readbyqxmd.com/read/29304200/nitro-oxidative-metabolism-during-fruit-ripening
#12
Francisco J Corpas, Luciano Freschi, Marta Rodríguez-Ruiz, Paulo T Mioto, Salvador González-Gordo, José M Palma
Pepper (Capsicum annuum L.) and tomato (Solanum lycopersicum L.), which belong to the Solanaceae family, are among the most cultivated and consumed fleshy fruits worldwide and constitute excellent sources of many essential nutrients, such as vitamins A, C, and E, calcium, and carotenoids. While fruit ripening is a highly regulated and complex process, tomato and pepper have been classified as climacteric and non-climacteric fruits, respectively. These fruits differ greatly in shape, color composition, flavor, and several other features which undergo drastic changes during the ripening process...
January 3, 2018: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29302756/methanogens-biochemical-background-and-biotechnological-applications
#13
REVIEW
Franziska Enzmann, Florian Mayer, Michael Rother, Dirk Holtmann
Since fossil sources for fuel and platform chemicals will become limited in the near future, it is important to develop new concepts for energy supply and production of basic reagents for chemical industry. One alternative to crude oil and fossil natural gas could be the biological conversion of CO2 or small organic molecules to methane via methanogenic archaea. This process has been known from biogas plants, but recently, new insights into the methanogenic metabolism, technical optimizations and new technology combinations were gained, which would allow moving beyond the mere conversion of biomass...
January 4, 2018: AMB Express
https://www.readbyqxmd.com/read/29301148/current-perspectives-on-biotechnological-cannabinoid-production-in-plants
#14
Julia Schachtsiek, Heribert Warzecha, Oliver Kayser, Felix Stehle
The plant Cannabis sativa contains a number of psychoactive chemical compounds, the cannabinoids, which possess a significant pharmaceutical potential. Recently, the usage of Cannabis for medicinal purposes was legalized in many countries. Thus, the study on the influence of different cannabinoids in combination with other Cannabis-derived compounds with respect to the treatment of various diseases becomes increasingly important. Besides the production of distinct cannabinoids in a heterologous host, like tobacco or yeast, transgenic Cannabis plants would be a suitable alternative to modify and therefore optimize the cannabinoid profile...
January 4, 2018: Planta Medica
https://www.readbyqxmd.com/read/29300787/plant-x-tender-an-extension-of-the-assemblx-system-for-the-assembly-and-expression-of-multigene-constructs-in-plants
#15
Tjaša Lukan, Fabian Machens, Anna Coll, Špela Baebler, Katrin Messerschmidt, Kristina Gruden
Cloning multiple DNA fragments for delivery of several genes of interest into the plant genome is one of the main technological challenges in plant synthetic biology. Despite several modular assembly methods developed in recent years, the plant biotechnology community has not widely adopted them yet, probably due to the lack of appropriate vectors and software tools. Here we present Plant X-tender, an extension of the highly efficient, scar-free and sequence-independent multigene assembly strategy AssemblX, based on overlap-depended cloning methods and rare-cutting restriction enzymes...
2018: PloS One
https://www.readbyqxmd.com/read/29298062/current-status-and-future-perspectives-in-flavor-research-highlights-of-the-11th-wartburg-symposium-on-flavor-chemistry-biology
#16
Thomas Hofmann, Dietmar Krautwurst, Peter Schieberle
The 11th Wartburg Symposium on Flavor Chemistry & Biology, held at the hotel "Auf der Wartburg" in Eisenach, Germany, from June 21 to 24 in 2016, offered a venue for global exchange and knowledge calibration of cutting-edge research in chemistry and biology of odor and taste. The focus areas were (1) Functional Flavor Genomics and Biotechnology, (2) Flavor Generation and Precursors, (3) New Approaches and Precursors, (4) New Approaches and Technologies, (5) New Molecules and Structure/Activity Relationships, (6) Food-Borne Bioactives and Chemosensory Health Prevention, and (7) Chemosensory Reception, Processing, and Perception...
January 3, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29297329/potential-of-selected-fungal-species-to-degrade-wheat-straw-the-most-abundant-plant-raw-material-in-europe
#17
Jasmina Ćilerdžić, Milica Galić, Jelena Vukojević, Ilija Brčeski, Mirjana Stajić
BACKGROUND: Structural component of plant biomass, lignocellulose, is the most abundant renewable resource in nature. Lignin is the most recalcitrant natural aromatic polymer and its degradation presents great challenge. Nowadays, the special attention is given to biological delignification, the process where white-rot fungi take the crucial place owing to strong ligninolytic enzyme system. However, fungal species, even strains, differ in potential to produce high active ligninolytic enzymes and consequently to delignify plant biomass...
December 28, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29291233/in-silico-comparative-analysis-of-promoters-derived-from-plant-pararetroviruses
#18
Dipinte Gupta, Rajiv Ranjan
Promoters are specific sequence of nucleotides present upstream of gene coding region involved in initiation and regulation of transcription. Multiple cis-acting element forms the architecture of promoter to which trans-acting nucleic binding factors bind and regulates its activity. Since 1980 genome of pararetrovirus, are being exploited for developing efficient promoters. Among all of them Cauliflower mosaic virus is the most widely used promoter for gene expression. The basic rational behind the strength of promoter lies in the sequence of cis elements and the spacer nucleotide elements between them, thereby strength of these promoter fragments can be regulated by altering these nucleotide sequences...
December 2017: Virusdisease
https://www.readbyqxmd.com/read/29290097/challenges-in-developing-mucosal-vaccine-and-antibodies-against-infectious-diarrhea-in-children
#19
REVIEW
Daisuke Tokuhara
Infectious diarrhea in children can be life-threatening and imposes a large economic burden on healthcare systems, therefore more effective prophylactic and therapeutic drugs are needed urgently. Because most of the pathogens responsible for childhood diarrhea infect the gastrointestinal mucosa, providing protective immunity at the mucosal surface is an ideal way to control pathogen invasion and toxic activity. Mucosal (e.g., oral, nasal) vaccines are superior to systemic (subcutaneous or intramuscular) vaccination for conferring both mucosal and systemic pathogen-specific immune responses...
December 31, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29290031/specialized-plant-metabolism-characteristics-and-impact-on-target-molecule-biotechnological-production
#20
REVIEW
Hélio Nitta Matsuura, Sonia Malik, Fernanda de Costa, Morteza Yousefzadi, Mohammad Hossein Mirjalili, Randolph Arroo, Avninder S Bhambra, Miroslav Strnad, Mercedes Bonfill, Arthur Germano Fett-Neto
Plant secondary metabolism evolved in the context of highly organized and differentiated cells and tissues, featuring massive chemical complexity operating under tight environmental, developmental and genetic control. Biotechnological demand for natural products has been continuously increasing because of their significant value and new applications, mainly as pharmaceuticals. Aseptic production systems of plant secondary metabolites have improved considerably, constituting an attractive tool for increased, stable and large-scale supply of valuable molecules...
December 30, 2017: Molecular Biotechnology
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