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https://www.readbyqxmd.com/read/28693796/regulatory-effects-of-berberine-on-micrornome-in-cancer-and-other-conditions
#1
REVIEW
Seyed Hasan Ayati, Badrieh Fazeli, Amir Abbas Momtazi-Borojeni, Arrigo F G Cicero, Matteo Pirro, Amirhossein Sahebkar
Berberine (BBR) is an isoquinoline alkaloid found in different plant families such as Berberidaceae, Ranunculaceae, and Papaveraceae. BBR is well-known for its anti-inflammatory, lipid-modifying, anticancer, anti-diabetic, antibacterial, antiparasitic and fungicide activities. Multiple pharmacological actions of BBR stem from different molecular targets of this phytochemical. MicroRNAs (miRs) are single-stranded, evolutionary conserved, small non-coding RNA molecules with a length of 19-23 nucleotides that are involved in RNA silencing and post-transcriptional regulation of gene expression through binding to the 3'-untranslated region (3'UTR) of target mRNA...
August 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28685479/neoteric-trends-in-tissue-culture-mediated-biotechnology-of-indian-ipecac-tylophora-indica-burm-f-merrill
#2
REVIEW
Saikat Gantait, Suprabuddha Kundu
Tylophora indica (Burm. f.) Merrill, an ethno-pharmacologically important perennial climber of Asclepiadaceae, is commonly known as Antamul or Indian ipecac. It is essentially accredited for its medicinal properties owing to its wide range of alkaloids in the form of bioactive secondary metabolites, such as tylophorine, tylophorinine, and tylophorinidine. Accelerated mass propagation of Tylophora is challenging because of its reduced seed germination frequency that consequently headed the pursuit for efficient protocols on in vitro propagation for the large-scale regeneration, conservation as well as sustainable supply of quality propagules...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28667644/somatic-embryogenesis-in-guava-psidium-guajava-l-current-status-and-future-perspectives
#3
REVIEW
Madhu Kamle, Kwang-Hyun Baek
Guava (Psidium guajava L.) is a highly perishable fruit crop comparable to mango owing to its high medicinal value and intense aroma. The presence of high genetic variability limits the chances of further expansion of guava improvement using biotechnological interventions. Conventional methods of guava improvement encountered with restricted achievement in progress of disease resistant varieties because of existing high genetic variability in the germplasm. There is a considerable demand for the establishment of successful and efficient regeneration protocols via somatic embryogenesis...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28647832/genetic-dissection-of-adventitious-shoot-regeneration-in-roses-by-employing-genome-wide-association-studies
#4
Thi Hong Nhung Nguyen, Dietmar Schulz, Traud Winkelmann, Thomas Debener
We analysed the capacity to regenerate adventitious shoots in 96 rose genotypes and found 88 SNP markers associated with QTLs, some of which are derived from candidate genes for shoot regeneration. In an association panel of 96 rose genotypes previously analysed for petal colour, we conducted a genome-wide association study on the capacity of leaf petioles for direct shoot regeneration. Shoot regeneration rate and shoot ratio (number of shoots/total number of explants) were used as phenotypic descriptors for regeneration capacity...
June 24, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28603536/molecular-transducers-from-roots-are-triggered-in-arabidopsis-leaves-by-root-knot-nematodes-for-successful-feeding-site-formation-a-conserved-post-embryogenic-de-novo-organogenesis-program
#5
Rocío Olmo, Javier Cabrera, Miguel A Moreno-Risueno, Hidehiro Fukaki, Carmen Fenoll, Carolina Escobar
Root-knot nematodes (RKNs; Meloidogyne spp.) induce feeding cells (giant cells; GCs) inside a pseudo-organ (gall) from still unknown root cells. Understanding GCs ontogeny is essential to the basic knowledge of RKN-plant interaction and to discover novel and effective control strategies. Hence, we report for the first time in a model plant, Arabidopsis, molecular, and cellular features concerning ectopic de novo organogenesis of RKNs GCs in leaves. RKNs induce GCs in leaves with irregular shape, a reticulated cytosol, and fragmented vacuoles as GCs from roots...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28507000/the-cell-wall-localized-atypical-%C3%AE-1-3-glucanase-zerzaust-controls-tissue-morphogenesis-in-arabidopsis-thaliana
#6
Prasad Vaddepalli, Lynette Fulton, Jennifer Wieland, Katrin Wassmer, Milena Schaeffer, Stefanie Ranf, Kay Schneitz
Orchestration of cellular behavior in plant organogenesis requires integration of intercellular communication and cell wall dynamics. The underlying signaling mechanisms are poorly understood. Tissue morphogenesis in Arabidopsis depends on the receptor-like kinase STRUBBELIG. Mutations in ZERZAUST were previously shown to result in a strubbelig-like mutant phenotype. Here, we report on the molecular identification and functional characterization of ZERZAUST We show that ZERZAUST encodes a putative GPI-anchored β-1,3 glucanase suggested to degrade the cell wall polymer callose...
June 15, 2017: Development
https://www.readbyqxmd.com/read/28486468/recent-patents-in-plant-organogenesis
#7
(no author information available yet)
No abstract text is available yet for this article.
May 9, 2017: Nature Biotechnology
https://www.readbyqxmd.com/read/28466109/fine-mapping-identifies-csgcn5-encoding-a-histone-acetyltransferase-as-putative-candidate-gene-for-tendril-less1-mutation-td-1-in-cucumber
#8
Feifan Chen, Bingbing Fu, Yupeng Pan, Chaowen Zhang, Haifan Wen, Yiqun Weng, Peng Chen, Yuhong Li
Next-generation sequencing-aided map-based cloning delimited the cucumber tendril - less1 ( td - 1 ) locus into a 190.7-kb region in chromosome 6 harboring a putative, novel-function candidate gene encoding a histone acetyltransferase ( CsGCN5 ). The tendril initiated from the lateral meristem is an important and characteristic organ for the species in the Cucurbitaceae family including cucumber (Cucumis sativus L.). While the tendril has its evolutionary significance, it also poses a nuisance in cucumber cultivation under protected environments in which tendril-less cucumber has its advantages...
August 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28461725/nmr-based-metabolomic-analysis-of-wild-greenhouse-and-in-vitro-regenerated-shoots-of-cymbopogon-schoenanthus-subsp-proximus-with-gc-ms-assessment-of-proximadiol
#9
Asmaa Abdelsalam, Ehab Mahran, Kamal Chowdhury, Arezue Boroujerdi, Ahmed El-Bakry
Cymbopogon schoenanthus subsp. proximus is a wild plant distributed in subtropical and east Africa extending from the north to the southern parts of Egypt. Widely used in folk medicine, it is the source of the diuretic sesquiterpene proximadiol. Nuclear magnetic resonance metabolomic analysis of polar extracts of shoots from wild, greenhouse, somatic embryos, and direct and indirect organogenic in vitro cultures was carried out. Metabolic profiling yielded 39 compounds, of which common metabolites were 15 (38...
April 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/28460558/improvement-of-tissue-culture-genetic-transformation-and-applications-of-biotechnology-to-brassica
#10
Seyed Ali Ravanfar, Vladimir Orbovic, Mahdi Moradpour, Maheran Abdul Aziz, Ratna Karan, Simon Wallace, Saroj Parajuli
Development of in vitro plant regeneration method from Brassica explants via organogenesis and somatic embryogenesis is influenced by many factors such as culture environment, culture medium composition, explant sources, and genotypes which are reviewed in this study. An efficient in vitro regeneration system to allow genetic transformation of Brassica is a crucial tool for improving its economical value. Methods to optimize transformation protocols for the efficient introduction of desirable traits, and a comparative analysis of these methods are also reviewed...
May 2, 2017: Biotechnology & Genetic Engineering Reviews
https://www.readbyqxmd.com/read/28437159/specific-host-responsive-associations-between-medicago-truncatula-accessions-and-sinorhizobium-strains
#11
Théophile Kazmierczak, Marianna Nagymihály, Florian Lamouche, Quentin Barrière, Ibtissem Guefrachi, Benoit Alunni, Mouna Ouadghiri, Jamal Ibijbijen, Éva Kondorosi, Peter Mergaert, Véronique Gruber
Legume plants interact with rhizobia to form nitrogen-fixing root nodules. Legume-rhizobium interactions are specific and only compatible rhizobia and plant species will lead to nodule formation. Even within compatible interactions, the genotype of both the plant and the bacterial symbiont will impact on the efficiency of nodule functioning and nitrogen-fixation activity. The model legume Medicago truncatula forms nodules with several species of the Sinorhizobium genus. However, the efficiency of these bacterial strains is highly variable...
May 2017: Molecular Plant-microbe Interactions: MPMI
https://www.readbyqxmd.com/read/28432294/genome-wide-identification-characterization-of-the-mads-box-gene-family-in-chinese-jujube-and-their-involvement-in-flower-development
#12
Liman Zhang, Jin Zhao, Chunfang Feng, Mengjun Liu, Jiurui Wang, Yafei Hu
MADS-box genes encode transcription factors that are involved in plant development control (particularly in floral organogenesis) and signal transduction pathways, though a comprehensive analysis of MADS-box family proteins in Chinese jujube (Ziziphus jujuba Mill.) is still missing. Here, we report a genome-wide analysis of the MADS-box gene family in Chinese jujube. Based on phylogenetic analyses, 52 jujube MADS-box genes were classified into 25 MIKC(C)-type, 3 MIKC(*)-type, 16 Mα, 5 Mβ and 3 Mγ genes. 37 genes were randomly distributed across all 12 putative chromosomes...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28407097/mircat2-accurate-prediction-of-plant-and-animal-micrornas-from-next-generation-sequencing-datasets
#13
Claudia Paicu, Irina Mohorianu, Matthew Stocks, Ping Xu, Aurore Coince, Martina Billmeier, Tamas Dalmay, Vincent Moulton, Simon Moxon
Motivation: MicroRNAs are a class of _21-22 nucleotide small RNAs which are excised from a stable hairpin-like secondary structure. They have important gene regulatory functions and are involved in many pathways including developmental timing, organogenesis and development in eukaryotes. There are several computational tools for miRNA detection from next-generation sequencing (NGS) datasets. However, many of these tools suffer from high false positive and false negative rates. Here we present a novel miRNA prediction algorithm, miRCat2...
April 12, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28403182/functional-analysis-of-the-gmesr1-gene-associated-with-soybean-regeneration
#14
Chao Zhang, Xiaodong Wu, Binbin Zhang, Qingshan Chen, Ming Liu, Dawei Xin, Zhaoming Qi, Sinan Li, Yanlong Ma, Lingshuang Wang, Yangmei Jin, Wenbin Li, Xiaoxia Wu, An-Yu Su
Plant regeneration can occur via in vitro tissue culture through somatic embryogenesis or de novo shoot organogenesis. Transformation of soybean (Glycine max) is difficult, hence optimization of the transformation system for soybean regeneration is required. This study investigated ENHANCER OF SHOOT REGENERATION 1 (GmESR1), a soybean transcription factor that targets regeneration-associated genes. Sequence analysis showed that GmESR1 contained a conserved 57 amino acid APETALA 2 (AP2)/ETHYLENE RESPONSE FACTOR (ERF) DNA-binding domain...
2017: PloS One
https://www.readbyqxmd.com/read/28396676/a-conserved-potential-development-framework-applies-to-shoots-of-legume-species-with-contrasting-morphogenetic-strategies
#15
Lucas Faverjon, Abraham J Escobar-Gutiérrez, Isabelle Litrico, Gaëtan Louarn
A great variety of legume species are used for forage production and grown in multi-species grasslands. Despite their close phylogenetic relationship, they display a broad range of morphologies that markedly affect their competitive abilities and persistence in mixtures. Little is yet known about the component traits that control the deployment of plant architecture in most of these species. During the present study, we compared the patterns of shoot organogenesis and shoot organ growth in contrasting forage species belonging to the four morphogenetic groups previously identified in herbaceous legumes (i...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28391480/plant-regeneration-from-cell-suspension-culture-in-saccharum-officinarum-l-and-ascertaining-of-genetic-fidelity-through-rapd-and-issr-markers
#16
Avinash S Thorat, Nishant A Sonone, Vrushali V Choudhari, Rachayya M Devarumath, K Harinath Babu
The aim of this study was to produce sugarcane plantlets from cell suspension culture and study its genetic fidelity using molecular markers. The study was carried out using sugarcane varieties Co 86032 and Q117. Callus cultures of both the varieties were optimized using six different callus induction media. After screening the growth response of callus on six different callus induction media, it was observed that medium no. VI supplemented with 500 mg l(-1) of each PVP, Casein hydrolysate and MES buffer showed high amounts of callus in Co 86032 (79...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28363992/mtlax2-a-functional-homologue-of-the-arabidopsis-auxin-influx-transporter-aux1-is-required-for-nodule-organogenesis
#17
Sonali Roy, Fran Robson, Jodi Lilley, Cheng-Wu Liu, Xiaofei Cheng, Jiangqi Wen, Simon Walker, Jongho Sun, Donna Cousins, Caitlin Bone, Malcolm J Bennett, J Allan Downie, Ranjan Swarup, Giles Oldroyd, Jeremy D Murray
Most legume plants can form nodules, specialized lateral organs that form on roots, and house nitrogen-fixing bacteria collectively called rhizobia. The uptake of the phytohormone auxin into cells is known to be crucial for development of lateral roots. To test the role of auxin influx in nodulation we used the auxin influx inhibitors 1-naphthoxyacetic acid (1-NOA) and 2-NOA, which we found reduced nodulation of Medicago truncatula. This suggested the possible involvement of the AUX/LAX family of auxin influx transporters in nodulation...
May 2017: Plant Physiology
https://www.readbyqxmd.com/read/28273182/protocol-for-efficient-regulation-of-in-vitro-morphogenesis-in-einkorn-triticum-monococcum-l-a-recalcitrant-diploid-wheat-species
#18
Dmitry Miroshnichenko, Inna Chaban, Mariya Chernobrovkina, Sergey Dolgov
Einkorn (Triticum monococcum L.) is A-genome diploid wheat that has a potential to become a useful model for understanding the biology and genomics in Triticeae. Unfortunately, the application of modern technologies such as genetic engineering, RNAi-based gene silencing and genome editing is not available for einkorn as there is no efficient in vitro tissue culture and plant regeneration system. In the present study an efficient and simple protocol for plant regeneration via direct or indirect somatic embryogenesis and organogenesis has been developed...
2017: PloS One
https://www.readbyqxmd.com/read/28272988/chlorophyllide-a-oxygenase-cao-deficiency-affects-the-levels-of-singlet-oxygen-and-formation-of-plasmodesmata-in-leaves-and-shoot-apical-meristems-of-barley
#19
Valeria A Dmitrieva, Alexandra N Ivanova, Elena V Tyutereva, Anastasiia I Evkaikina, Ekaterina A Klimova, Olga V Voitsekhovskaja
In plants, organogenesis and specification of cell layers and tissues rely on precise symplastic delivery of regulatory molecules via plasmodesmata. Accordingly, abundance and aperture of plasmodesmata at individual cell boundaries should be controlled by the plant. Recently, studies in Arabidopsis established reactive oxygen species as major regulators of plasmodesmata formation and gating. We show that in a barley mutant deficient in the synthesis of chlorophyll b, the numbers of plasmodesmata in leaves and in the shoot apical meristem are significantly higher than in the corresponding wild type, probably due to redox imbalance in the mutant...
April 3, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28263025/poly-adp-ribose-polymerases-regulate-cell-division-and-development-in-arabidopsis-roots
#20
Caifeng Liu, Qiao Wu, Weiwei Liu, Zongyin Gu, Wenjing Wang, Ping Xu, Hong Ma, Xiaochun Ge
Root organogenesis involves cell division, differentiation and expansion. The molecular mechanisms regulating root development are not fully understood. In this study, we identified poly(adenosine diphosphate (ADP)-ribose) polymerases (PARPs) as new players in root development. PARP catalyzes poly(ADP-ribosyl)ation of proteins by repeatedly adding ADP-ribose units onto proteins using nicotinamide adenine dinucleotide (NAD(+) ) as the donor. We found that inhibition of PARP activities by 3-aminobenzomide (3-AB) increased the growth rates of both primary and lateral roots, leading to a more developed root system...
March 6, 2017: Journal of Integrative Plant Biology
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