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https://www.readbyqxmd.com/read/28545405/genetic-complexity-of-miscanthus-cell-wall-composition-and-biomass-quality-for-biofuels
#1
Tim van der Weijde, Claire L Alvim Kamei, Edouard I Severing, Andres F Torres, Leonardo D Gomez, Oene Dolstra, Chris A Maliepaard, Simon J McQueen-Mason, Richard G F Visser, Luisa M Trindade
BACKGROUND: Miscanthus sinensis is a high yielding perennial grass species with great potential as a bioenergy feedstock. One of the challenges that currently impedes commercial cellulosic biofuel production is the technical difficulty to efficiently convert lignocellulosic biomass into biofuel. The development of feedstocks with better biomass quality will improve conversion efficiency and the sustainability of the value-chain. Progress in the genetic improvement of biomass quality may be substantially expedited by the development of genetic markers associated to quality traits, which can be used in a marker-assisted selection program...
May 25, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28541580/genes-and-gene-clusters-related-to-genotype-and-drought-induced-variation-in-saccharification-potential-lignin-content-and-wood-anatomical-traits-in-populus-nigra%C3%A2
#2
Henning Wildhagen, Shanty Paul, Mike Allwright, Hazel K Smith, Marta Malinowska, Sabine K Schnabel, M João Paulo, Federica Cattonaro, Vera Vendramin, Simone Scalabrin, Dennis Janz, Cyril Douthe, Oliver Brendel, Cyril Buré, David Cohen, Irène Hummel, Didier Le Thiec, Fred van Eeuwijk, Joost J B Keurentjes, Jaume Flexas, Michele Morgante, Paul Robson, Marie-Béatrice Bogeat-Triboulot, Gail Taylor, Andrea Polle
Wood is a renewable resource that can be employed for the production of second generation biofuels by enzymatic saccharification and subsequent fermentation. Knowledge on how the saccharification potential is affected by genotype-related variation of wood traits and drought is scarce. Here, we used three Populus nigra L. genotypes from habitats differing in water availability to (i) investigate the relationships between wood anatomy, lignin content and saccharification and (ii) identify genes and co-expressed gene clusters related to genotype and drought-induced variation in wood traits and saccharification potential...
May 24, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28536840/insights-from-the-complete-genome-sequence-of-clostridium-tyrobutyricum-provide-a-platform-for-biotechnological-and-industrial-applications
#3
Qian Wu, Tingting Liu, Liying Zhu, He Huang, Ling Jiang
Genetic research enables the evolution of novel biochemical reactions for the production of valuable chemicals from environmentally-friendly raw materials. However, the choice of appropriate microorganisms to support these reactions, which must have strong robustness and be capable of a significant product output, is a major difficulty. In the present study, the complete genome of the Clostridium tyrobutyricum strain CCTCC W428, a hydrogen- and butyric acid-producing bacterium with increased oxidative tolerance was analyzed...
May 23, 2017: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28535937/1st-international-conference-on-bioresource-technology-for-bioenergy-bioproducts-environmental-sustainability-biorestec
#4
EDITORIAL
Deepak Pant, Reeta Rani Singhania, José António Teixeira, Samir Khanal
No abstract text is available yet for this article.
August 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28532419/a-survey-of-the-complex-transcriptome-from-the-highly-polyploid-sugarcane-genome-using-full-length-isoform-sequencing-and-de-novo-assembly-from-short-read-sequencing
#5
Nam V Hoang, Agnelo Furtado, Patrick J Mason, Annelie Marquardt, Lakshmi Kasirajan, Prathima P Thirugnanasambandam, Frederik C Botha, Robert J Henry
BACKGROUND: Despite the economic importance of sugarcane in sugar and bioenergy production, there is not yet a reference genome available. Most of the sugarcane transcriptomic studies have been based on Saccharum officinarum gene indices (SoGI), expressed sequence tags (ESTs) and de novo assembled transcript contigs from short-reads; hence knowledge of the sugarcane transcriptome is limited in relation to transcript length and number of transcript isoforms. RESULTS: The sugarcane transcriptome was sequenced using PacBio isoform sequencing (Iso-Seq) of a pooled RNA sample derived from leaf, internode and root tissues, of different developmental stages, from 22 varieties, to explore the potential for capturing full-length transcript isoforms...
May 22, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28528383/pretreatment-of-hardwood-and-miscanthus-with-trametes-versicolor-for-bioenergy-conversion-and-densification-strategies
#6
Ryan M Kalinoski, Hector D Flores, Sunil Thapa, Erin R Tuegel, Michael A Bilek, Evelin Y Reyes-Mendez, Michael J West, Tim J Dumonceaux, Thomas Canam
The pretreatment of plant biomass negatively impacts the economics of many bioenergy and bioproduct processes due to the thermochemical requirements for deconstruction of lignocelluluose. An effective strategy to reduce these severity requirements is to pretreat the biomass with white-rot fungi, such as Trametes versicolor, which have the innate ability to deconstruct lignocellulose with a suite of specialized enzymes. In the present study, the effects of 12 weeks of pretreatment with a wild-type strain (52J) and a cellobiose dehydrogenase-deficient strain (m4D) of T...
May 20, 2017: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/28526282/an-oleaginous-filamentous-microalgae-tribonema-minus-exhibits-high-removing-potential-of-industrial-phenol-contaminants
#7
Tianyou Cheng, Wei Zhang, Wenlei Zhang, Guanhua Yuan, Hui Wang, Tianzhong Liu
Discharge of industrial phenol contaminants could cause great harm on natural environment. Through oleaginous microalgae cultivation in phenolic wastewater, pollutants can be phototrophically biofixed into biomass as feedstock for bioenergy production. It was firstly reported in this study that, an oleaginous filamentous microalgae Tribonema minus exhibited strong environmental phenol removal ability. T. minus filaments showed 449.46mgg(-1) of phenol-uptake capacity, obviously higher than those strains with low phenol absorption such as Scenedesmus dimorphus...
May 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28525651/selecting-elephant-grass-families-and-progenies-to-produce-bioenergy-through-mixed-models-reml-blup
#8
E V Rodrigues, R F Daher, A Dos Santos, M Vivas, J C Machado, G do A Gravina, Y P de Souza, A K Vidal, A Dos S Rocha, R S Freitas
Brazil has great potential to produce bioenergy since it is located in a tropical region that receives high incidence of solar energy and presents favorable climatic conditions for such purpose. However, the use of bioenergy in the country is below its productivity potential. The aim of the current study was to select full-sib progenies and families of elephant grass (Pennisetum purpureum S.) to optimize phenotypes relevant to bioenergy production through mixed models (REML/BLUP). The circulating diallel-based crossing of ten elephant grass genotypes was performed...
May 18, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28523004/selection-of-suitable-reference-genes-for-quantitative-real-time-pcr-in-sapium-sebiferum
#9
Xue Chen, Yingji Mao, Shengwei Huang, Jun Ni, Weili Lu, Jinyan Hou, Yuting Wang, Weiwei Zhao, Minghao Li, Qiaojian Wang, Lifang Wu
Chinese tallow (Sapium sebiferum L.) is a promising landscape and bioenergy plant. Measuring gene expression by quantitative real-time polymerase chain reaction (qRT-PCR) can provide valuable information on gene function. Stably expressed reference genes for normalization are a prerequisite for ensuring the accuracy of the target gene expression level among different samples. However, the reference genes in Chinese tallow have not been systematically validated. In this study, 12 candidate reference genes (18S, GAPDH, UBQ, RPS15, SAND, TIP41, 60S, ACT7, PDF2, APT, TBP, and TUB) were investigated with qRT-PCR in 18 samples, including those from different tissues, from plants treated with sucrose and cold stresses...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28515786/evaluation-of-biomass-quality-in-short-rotation-bamboo-phyllostachys-pubescens-for-bioenergy-products
#10
Seung Gon Wi, Dae-Seok Lee, Quynh Anh Nguyen, Hyeun-Jong Bae
BACKGROUND: In order to improve the availability of biomass, the concept of growing high yield biomass with short rotations and intensive culture has been introduced. Bamboo has become a feedstock of potential interest for future energy production due to its high productivity and short rotation time. The growth age of biomass is an important factor affecting the efficiency of bioconversion and pretreatment for bioenergy production. In this regard, more information is required on the morphology and chemical composition of bamboo for short-rotation biomass production...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28512463/allometric-models-for-predicting-aboveground-biomass-and-carbon-stock-of-tropical-perennial-c4-grasses-in-hawaii
#11
Adel H Youkhana, Richard M Ogoshi, James R Kiniry, Manyowa N Meki, Mae H Nakahata, Susan E Crow
Biomass is a promising renewable energy option that provides a more environmentally sustainable alternative to fossil resources by reducing the net flux of greenhouse gasses to the atmosphere. Yet, allometric models that allow the prediction of aboveground biomass (AGB), biomass carbon (C) stock non-destructively have not yet been developed for tropical perennial C4 grasses currently under consideration as potential bioenergy feedstock in Hawaii and other subtropical and tropical locations. The objectives of this study were to develop optimal allometric relationships and site-specific models to predict AGB, biomass C stock of napiergrass, energycane, and sugarcane under cultivation practices for renewable energy and validate these site-specific models against independent data sets generated from sites with widely different environments...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28503198/dynamics-of-two-methanogenic-microbiomes-incubated-in-polycyclic-aromatic-hydrocarbons-naphthenic-acids-and-oil-field-produced-water
#12
Bonahis J Oko, Yu Tao, David C Stuckey
BACKGROUND: Oil field produced water (OFPW) is widely produced in large volumes around the world. Transforming the organic matter in OFPW into bioenergy, such as biomethane, is one promising way to sustainability. However, OFPW is difficult to biologically degrade because it contains complex compounds such as naphthenic acids (NAs), or polycyclic aromatic hydrocarbons (PAHs). Although active microbial communities have been found in many oil reservoirs, little is known about how an exotic microbiome, e...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28501382/fabrication-of-biochars-obtained-from-valorization-of-biowaste-and-evaluation-of-its-physicochemical-properties
#13
Rumi Narzari, Neonjyoti Bordoloi, Banashree Sarma, Lina Gogoi, Nirmali Gogoi, Bikram Borkotoki, Rupam Kataki
This study investigated the yields and the physicochemical properties of biochar from three different feedstocks viz., i) bioenergy byproducts (deoiled cakes of Jatropha carcus and Pongamia glabra), ii) lignocellulose biomass (Jatropha carcus seed cover), and iii) a noxious weed (Parthenium hysterophorus), obtained through slow pyrolysis at a heating rate of 40°Cmin(-1) with a nitrogen flow 100mlmin(-1) at a temperature range of 350-650°C. For successful utilization of biochar for C-sequestration, its ability to resist abiotic or biotic degradation was deduced from recalcitrance index R50 by using TG analysis...
April 16, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28498738/biogas-production-from-anaerobic-digestion-of-food-waste-and-relevant-air-quality-implications
#14
Jeff Kuo, Jason Dow
Biopower can diversify energy supply and improve energy resiliency. Increases in biopower production from sustainable biomass can provide many economic and environmental benefits. For example, increasing biogas production through anaerobic digestion of food waste would increase the use of renewable fuels throughout California and add to its renewables portfolio. Although a biopower project will produce renewable energy, the process of producing bioenergy should harmonize with the goal of protecting public health...
May 12, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28492726/theoretical-basis-application-reliability-and-sample-size-estimates-of-a-meridian-energy-analysis-device-for-traditional-chinese-medicine-research
#15
Ming-Yen Tsai, Shih-Yu Chen, Chung-Chun Lin
OBJECTIVES: The Meridian Energy Analysis Device is currently a popular tool in the scientific research of meridian electrophysiology. In this field, it is generally believed that measuring the electrical conductivity of meridians provides information about the balance of bioenergy or Qi-blood in the body. METHODS AND RESULTS: PubMed database based on some original articles from 1956 to 2014 and the authoŕs clinical experience. In this short communication, we provide clinical examples of Meridian Energy Analysis Device application, especially in the field of traditional Chinese medicine, discuss the reliability of the measurements, and put the values obtained into context by considering items of considerable variability and by estimating sample size...
April 2017: Clinics
https://www.readbyqxmd.com/read/28491136/applications-of-microalgal-biofilms-for-wastewater-treatment-and-bioenergy-production
#16
Ana F Miranda, Narasimhan Ramkumar, Constandino Andriotis, Thorben Höltkemeier, Aneela Yasmin, Simone Rochfort, Donald Wlodkowic, Paul Morrison, Felicity Roddick, German Spangenberg, Banwari Lal, Sanjukta Subudhi, Aidyn Mouradov
BACKGROUND: Microalgae have shown clear advantages for the production of biofuels compared with energy crops. Apart from their high growth rates and substantial lipid/triacylglycerol yields, microalgae can grow in wastewaters (animal, municipal and mining wastewaters) efficiently removing their primary nutrients (C, N, and P), heavy metals and micropollutants, and they do not compete with crops for arable lands. However, fundamental barriers to the industrial application of microalgae for biofuel production still include high costs of removing the algae from the water and the water from the algae which can account for up to 30-40% of the total cost of biodiesel production...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28484998/enhanced-methane-production-of-vinegar-residue-by-response-surface-methodology-rsm
#17
Jiayu Feng, Jiyu Zhang, Jiafu Zhang, Yanfeng He, Ruihong Zhang, Chang Chen, Guangqing Liu
As the by-product of the vinegar production process, a large number of vinegar residue has been abandoned and caused a serious environmental pollution. Anaerobic digestion has been proved to be able to dispose and convert vinegar residue into bioenergy but still need to improve the efficiency. This study applied central composite design of response surface methodology to investigate the influences of feed to inoculum ratio, organic loading, and initial pH on methane production and optimize anaerobic digestion condition...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28474559/new-prospective-for-enhancement-in-bioenergy-resources-through-fungal-engineering
#18
Rafia Saeed, Sumeira Moin, Ailyan Saleem, Neelofer Hamid, Anum Khursheed, Waseem Ahmed
BACKGROUND: Lignin and cellulose, organic constituents of plant or plant based material not commonly used for feeding purpose are referred as Biomass. This can be used as best resource of renewable energy. Vesicular arbuscular mycorrhizae (VAM) fungi can play an effective role in biomass manufacturing through activated metabolism of plant under dual symbiosis. During C acclimatization, mycorrhizal inoculated plants existent greater number of leaves with height of plants as compared to non-mycorrhizal plants...
May 3, 2017: Recent Patents on Biotechnology
https://www.readbyqxmd.com/read/28469708/integrated-systems-for-biopolymers-and-bioenergy-production-from-organic-waste-and-by-products-a-review-of-microbial-processes
#19
REVIEW
Giorgia Pagliano, Valeria Ventorino, Antonio Panico, Olimpia Pepe
Recently, issues concerning the sustainable and harmless disposal of organic solid waste have generated interest in microbial biotechnologies aimed at converting waste materials into bioenergy and biomaterials, thus contributing to a reduction in economic dependence on fossil fuels. To valorize biomass, waste materials derived from agriculture, food processing factories, and municipal organic waste can be used to produce biopolymers, such as biohydrogen and biogas, through different microbial processes. In fact, different bacterial strains can synthesize biopolymers to convert waste materials into valuable intracellular (e...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28469706/impact-of-rav1-engineering-on-poplar-biomass-production-a-short-rotation-coppice-field-trial
#20
Alicia Moreno-Cortés, José Manuel Ramos-Sánchez, Tamara Hernández-Verdeja, Pablo González-Melendi, Ana Alves, Rita Simões, José Carlos Rodrigues, Mercedes Guijarro, Isabel Canellas, Hortensia Sixto, Isabel Allona
BACKGROUND: Early branching or syllepsis has been positively correlated with high biomass yields in short-rotation coppice (SRC) poplar plantations, which could represent an important lignocellulosic feedstock for the production of second-generation bioenergy. In prior work, we generated hybrid poplars overexpressing the chestnut gene RELATED TO ABI3/VP1 1 (CsRAV1), which featured c. 80% more sylleptic branches than non-modified trees in growth chambers. Given the high plasticity of syllepsis, we established a field trial to monitor the performance of these trees under outdoor conditions and a SRC management...
2017: Biotechnology for Biofuels
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