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https://www.readbyqxmd.com/read/27821409/the-evolution-of-inflorescence-diversity-in-the-nightshades-and-heterochrony-during-meristem-maturation
#1
Zachary H Lemmon, Soon Ju Park, Ke Jiang, Joyce Van Eck, Michael C Schatz, Zachary B Lippman
One of the most remarkable manifestations of plant evolution is the diversity for floral branching systems. These "inflorescences" arise from stem cell populations in shoot meristems that mature gradually to reproductive states in response to environmental and endogenous signals. The morphology of the shoot meristem maturation process is conserved across distantly related plants, raising the question of how diverse inflorescence architectures arise from seemingly common maturation programs. In tomato and related nightshades (Solanaceae), inflorescences range from solitary flowers to highly branched structures bearing hundreds of flowers...
November 7, 2016: Genome Research
https://www.readbyqxmd.com/read/27726305/inhibition-of-prostate-cancer-growth-by-solanine-requires-the-suppression-of-cell-cycle-proteins-and-the-activation-of-ros-p38-signaling-pathway
#2
Bin Pan, Weifeng Zhong, Zhihai Deng, Caiyong Lai, Jing Chu, Genlong Jiao, Junfeng Liu, Qizhao Zhou
Solanine, a naturally steroidal glycoalkaloid in nightshade (Solanum nigrum Linn.), can inhibit proliferation and induce apoptosis of tumor cells. However, the mechanism of solanine-suppressing prostate cancer cell growth remains to be elucidated. This study investigates the inhibition mechanism of solanine on cancer development in vivo and in cultured human prostate cancer cell DU145 in vitro. Results show that solanine injection significantly suppresses the tumor cell growth in xenograft athymic nude mice...
November 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27556560/opposing-roles-of-foliar-and-glandular-trichome-volatile-components-in-cultivated-nightshade-interaction-with-a-specialist-herbivore
#3
Lucy Kananu Murungi, Hillary Kirwa, Daisy Salifu, Baldwyn Torto
Plant chemistry is an important contributor to the interaction with herbivores. Here, we report on a previously unknown role for foliar and glandular trichome volatiles in their interaction with the specialist herbivore of solanaceous plants, the tomato red spider mite Tetranychus evansi. We used various bioassays and chemical analyses including coupled gas chromatography-mass spectrometry (GC/MS) and liquid chromatography coupled to quadrupole time of flight mass spectrometry (LC-QToF-MS) to investigate this interaction between cultivated African nightshades and T...
2016: PloS One
https://www.readbyqxmd.com/read/27516654/anesthesia-and-pain-relief-in-the-history-of-islamic-medicine
#4
Faranak Alembizar, Ayda Hosseinkhani, Alireza Salehi
BACKGROUND: Since diseases and surgeries could be very painful, the annihilation of pain has been the most important goal of physicians. The history of Iranian-Islamic medicine includes distinguished physicians that attempted to find different methods of anesthesia. This research aims at reviewing approaches for anesthesia throughout the history of the Iranian-Islamic medicine, in order to identify a variety of drugs used during that period. METHODS: In this research, the information was mainly collected from medical history, traditional literature and various search engines (e...
May 2016: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/27458430/produce-from-africa-s-gardens-potential-for-leafy-vegetable-and-fruit-fermentations
#5
REVIEW
Folarin A Oguntoyinbo, Vincenzina Fusco, Gyu-Sung Cho, Jan Kabisch, Horst Neve, Wilhelm Bockelmann, Melanie Huch, Lara Frommherz, Bernhard Trierweiler, Biserka Becker, Nabil Benomar, Antonio Gálvez, Hikmate Abriouel, Wilhelm H Holzapfel, Charles M A P Franz
A rich variety of indigenous fruits and vegetables grow in Africa, which contribute to the nutrition and health of Africa's populations. Fruits and vegetables have high moisture and are thus inherently prone to accelerated spoilage. Food fermentation still plays a major role in combating food spoilage and foodborne diseases that are prevalent in many of Africa's resource disadvantaged regions. Lactic acid fermentation is probably the oldest and best-accepted food processing method among the African people, and is largely a home-based process...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27446035/plants-rather-than-mineral-fertilization-shape-microbial-community-structure-and-functional-potential-in-legacy-contaminated-soil
#6
Jakub Ridl, Michal Kolar, Michal Strejcek, Hynek Strnad, Petr Stursa, Jan Paces, Tomas Macek, Ondrej Uhlik
Plant-microbe interactions are of particular importance in polluted soils. This study sought to determine how selected plants (horseradish, black nightshade and tobacco) and NPK mineral fertilization shape the structure of soil microbial communities in legacy contaminated soil and the resultant impact of treatment on the soil microbial community functional potential. To explore these objectives, we combined shotgun metagenomics and 16S rRNA gene amplicon high throughput sequencing with data analysis approaches developed for RNA-seq...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27375224/nightshade-wound-secretion-the-world-s-simplest-extrafloral-nectar
#7
Martin Heil
Wounded nightshade leaves secrete a sugary liquid that, like extrafloral nectar (EFN), attracts ants as defence against herbivores. The secretion of these droplets requires no detectable nectary tissue, showing how little it takes to produce a functioning nectary. Easy de novo formation of extrafloral nectaries explains their 'scattered' phylogenetic distribution.
August 2016: Trends in Plant Science
https://www.readbyqxmd.com/read/27357162/arthropod-pests-and-predators-associated-with-bittersweet-nightshade-a-noncrop-host-of-the-potato-psyllid-hemiptera-triozidae
#8
C I Castillo Carrillo, Z Fu, A S Jensen, W E Snyder
Bittersweet nightshade (Solanum dulcamara L.) is a key noncrop host of the potato psyllid (Bactericera cockerelli Šulc), proposed to be a source of the psyllids that colonize potato (Solanum tuberosum L.) fields in the northwestern United States. Here, we describe the broader community of arthropod potato pests, and also predatory arthropods, found in bittersweet nightshade patches. Over 2 yr, we sampled arthropods in patches of this weed spanning the potato-growing region of eastern Washington State. The potato psyllid was the most abundant potato pest that we found, with reproduction of these herbivores recorded throughout much of the growing season where this was measured...
August 2016: Environmental Entomology
https://www.readbyqxmd.com/read/27271944/gut-content-analysis-of-a-phloem-feeding-insect-bactericera-cockerelli-hemiptera-triozidae
#9
W Rodney Cooper, David R Horton, Thomas R Unruh, Stephen F Garczynski
Potato psyllid, Bactericera cockerelli (Šulc) (Hemiptera: Triozidae), is a key pest of potato (Solanum tuberosum L., Solanales: Solanaceae) and a vector of "Candidatus Liberibacter solanacearum," the pathogen associated with zebra chip disease. In addition to its presence on cultivated crops, the psyllid regularly occurs on numerous uncultivated annual and perennial species within the Solanaceae. A better understanding of landscape-level ecology of B. cockerelli would substantially improve our ability to predict which potato fields are most likely to be colonized by infected psyllids...
August 2016: Environmental Entomology
https://www.readbyqxmd.com/read/27243650/extrafloral-nectar-secretion-from-wounds-of-solanum-dulcamara
#10
Tobias Lortzing, Onno W Calf, Marlene Böhlke, Jens Schwachtje, Joachim Kopka, Daniel Geuß, Susanne Kosanke, Nicole M van Dam, Anke Steppuhn
Plants usually close wounds rapidly to prevent infections and the loss of valuable resources such as assimilates(1). However, herbivore-inflicted wounds on the bittersweet nightshade Solanum dulcamara appear not to close completely and produce sugary wound secretions visible as droplets. Many plants across the plant kingdom secrete sugary nectar from extrafloral nectaries(2) to attract natural enemies of herbivores for indirect defence(3,4). As ants forage on wound edges of S. dulcamara in the field, we hypothesized that wound secretions are a form of extrafloral nectar (EFN)...
2016: Nature Plants
https://www.readbyqxmd.com/read/27015324/immunological-investigation-for-the-presence-of-lunasin-a-chemopreventive-soybean-peptide-in-the-seeds-of-diverse-plants
#11
Alaa A Alaswad, Hari B Krishnan
Lunasin, a 44 amino acid soybean bioactive peptide, exhibits anticancer and anti-inflammatory properties. All soybean varieties that have been examined contain lunasin. It has also been reported in a few other plant species including amaranth, black nightshade, wheat, barley, rye, and triticale. Interestingly, detailed searches of transcriptome and DNA sequence databases of cereals failed to identify lunasin-coding sequences, raising questions about the authenticity of lunasin in cereals. To clarify the presence or absence of lunasin in cereals and other plant species, an immunological investigation was conducted utilizing polyclonal antibodies raised against the first 20 amino acid N-terminal peptide (SKWQHQQDSCRKQLQGVNLT) and a 15 amino acid C-terminal peptide (CEKHIMEKIQGRGDD) of lunasin...
April 13, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/26842879/genome-wide-patterns-of-regulatory-divergence-revealed-by-introgression-lines
#12
Rafael F Guerrero, Amanda L Posto, Leonie C Moyle, Matthew W Hahn
Understanding the genetic basis for changes in transcriptional regulation is an important aspect of understanding phenotypic evolution. Using interspecific introgression lines, we infer the mechanisms of divergence in genome-wide patterns of gene expression between the nightshades Solanum pennellii and S. lycopersicum (domesticated tomato). We find that cis- and trans-regulatory changes have had qualitatively similar contributions to divergence in this clade, unlike results from other systems. Additionally, expression data from four tissues (shoot apex, ripe fruit, pollen, and seed) suggest that introgressed regions in these hybrid lines tend to be downregulated, while background (nonintrogressed) genes tend to be upregulated...
March 2016: Evolution; International Journal of Organic Evolution
https://www.readbyqxmd.com/read/26715757/in-vitro-reconstruction-and-analysis-of-evolutionary-variation-of-the-tomato-acylsucrose-metabolic-network
#13
Pengxiang Fan, Abigail M Miller, Anthony L Schilmiller, Xiaoxiao Liu, Itai Ofner, A Daniel Jones, Dani Zamir, Robert L Last
Plant glandular secreting trichomes are epidermal protuberances that produce structurally diverse specialized metabolites, including medically important compounds. Trichomes of many plants in the nightshade family (Solanaceae) produce O-acylsugars, and in cultivated and wild tomatoes these are mixtures of aliphatic esters of sucrose and glucose of varying structures and quantities documented to contribute to insect defense. We characterized the first two enzymes of acylsucrose biosynthesis in the cultivated tomato Solanum lycopersicum...
January 12, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/26709631/the-whole-chloroplast-genome-sequence-of-black-nightshade-plant-solanum-nigrum
#14
Abdur Rahim Khan, Chang Eon Park, Gun-Seok Park, Young-Jin Seo, Jai-Hyun So, Jae-Ho Shin
In this study, complete chloroplast genome of Solanum nigrum, a wild relative of potato and tomato being important for its medicinal features, was sequenced. The genome size is 154 671 bp in length, with 40% GC content. A pair of inverted repeats, IRa and IRSb, were separated by a large single-copy region and a small single-copy region of 82 315 bp and 33 411 bp, respectively. The genome harbored 73 protein-coding genes, 36 tRNA genes, and three rRNA genes. The evolutionary relationships in our phylogenetic analysis revealed that S...
December 28, 2015: Mitochondrial DNA
https://www.readbyqxmd.com/read/26663926/successful-treatment-of-solanum-dulcamara-intoxication-in-a-labrador-retriever-puppy
#15
Megan Kees, Nicole Beckel, Claire Sharp
A 10-week-old intact male Labrador retriever dog was presented for acute onset of weakness, ataxia, and generalized muscle tremors. The puppy was suffering respiratory and central nervous system (CNS) depression, was mildly pyrexic, and vomited plant material that was identified as creeping nightshade (Solanum dulcamara). He responded well to supportive care and was discharged successfully. To the authors' knowledge, this is the first report of Solanum dulcamara toxicity occurring in a dog.
December 2015: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/26543025/accidental-overdose-in-the-deep-shade-of-night-a-warning-on-the-assumed-safety-of-natural-substances
#16
Andrew Chadwick, Abigail Ash, James Day, Mark Borthwick
There is an increasing use of herbal remedies and medicines, with a commonly held belief that natural substances are safe. We present the case of a 50-year-old woman who was a trained herbalist and had purchased an 'Atropa belladonna (deadly nightshade) preparation'. Attempting to combat her insomnia, late one evening she deliberately ingested a small portion of this, approximately 50 mL. Unintentionally, this was equivalent to a very large (15 mg) dose of atropine and she presented in an acute anticholinergic syndrome (confused, tachycardic and hypertensive) to our accident and emergency department...
2015: BMJ Case Reports
https://www.readbyqxmd.com/read/26470210/settling-and-ovipositional-behavior-of-bactericera-cockerelli-hemiptera-triozidae-on-solanaceous-hosts-under-field-and-laboratory-conditions
#17
Jenita Thinakaran, E A Pierson, M Longnecker, C Tamborindeguy, J E Munyaneza, C M Rush, D C Henne
Potato psyllid, Bactericera cockerelli (Šulc), is a seasonal insect pest in the Lower Rio Grande Valley of Texas, where it transmits the bacterial pathogen "Candidatus Liberibacter solanacearum" that causes zebra chip disease of potato. Studies were conducted to evaluate host preference of B. cockerelli adults for different plant species, and plant size and density. Settling and oviposition behavior of B. cockerelli was studied on its wild and cultivated solanaceous hosts, including potato, tomato, pepper, eggplant, and silverleaf nightshade, under both field and laboratory conditions...
June 2015: Journal of Economic Entomology
https://www.readbyqxmd.com/read/26405218/quantifying-age-dependent-extinction-from-species-phylogenies
#18
Helen K Alexander, Amaury Lambert, Tanja Stadler
Several ecological factors that could play into species extinction are expected to correlate with species age, i.e., time elapsed since the species arose by speciation. To date, however, statistical tools to incorporate species age into likelihood-based phylogenetic inference have been lacking. We present here a computational framework to quantify age-dependent extinction through maximum likelihood parameter estimation based on phylogenetic trees, assuming species lifetimes are gamma distributed. Testing on simulated trees shows that neglecting age dependence can lead to biased estimates of key macroevolutionary parameters...
January 2016: Systematic Biology
https://www.readbyqxmd.com/read/26385445/synthesis-and-evaluation-of-substituted-3-pyridin-2-yl-benzenesulfonamide-derivatives-as-potent-herbicidal-agents
#19
Yong Xie, Hui-Wei Chi, Ai-Ying Guan, Chang-Ling Liu, Hong-Juan Ma, Dong-Liang Cui
In an attempt to obtain novel candidate compound for weed control, a series of newly substituted 3-(pyridin-2-yl)benzenesulfonamide derivatives 2 were designed and synthesized using compound II7 as a lead compound by Intermediate Derivatization Methods and their herbicidal activities were evaluated. The herbicidal activity assay in greenhouse tests showed several compounds (2g, 2i, 2j, 2k, 2l, 2m, 2n and 2o) exhibited significant herbicidal activity for controlling velvet leaf (Abutilon theophrasti medic.) and youth-and-old age (Zinnia elegans jacq...
February 1, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/26313965/effects-of-host-plant-on-development-and-body-size-of-three-haplotypes-of-bactericera-cockerelli-hemiptera-triozidae
#20
T Mustafa, D R Horton, K D Swisher, R S Zack, J E Munyaneza
Potato psyllid, Bactericera cockerelli (Šulc) (Hemiptera: Triozidae), is an economic pest of solanaceous crops in North and Central America, and in New Zealand. Four genetic haplotypes of the psyllid have been identified in North America. Three of these haplotypes (Central, Western, and Northwestern) are common on potato crops within the major potato-growing regions of Idaho, Oregon, and Washington. Within this growing region, a weedy perennial nightshade, Solanum dulcamara (bittersweet nightshade), has been identified to be an important overwintering host and spring or summer source of psyllids colonizing potato fields...
June 2015: Environmental Entomology
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