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https://www.readbyqxmd.com/read/28812732/genome-of-the-pitcher-plant-cephalotus-reveals-genetic-changes-associated-with-carnivory
#1
Kenji Fukushima, Xiaodong Fang, David Alvarez-Ponce, Huimin Cai, Lorenzo Carretero-Paulet, Cui Chen, Tien-Hao Chang, Kimberly M Farr, Tomomichi Fujita, Yuji Hiwatashi, Yoshikazu Hoshi, Takamasa Imai, Masahiro Kasahara, Pablo Librado, Likai Mao, Hitoshi Mori, Tomoaki Nishiyama, Masafumi Nozawa, Gergő Pálfalvi, Stephen T Pollard, Julio Rozas, Alejandro Sánchez-Gracia, David Sankoff, Tomoko F Shibata, Shuji Shigenobu, Naomi Sumikawa, Taketoshi Uzawa, Meiying Xie, Chunfang Zheng, David D Pollock, Victor A Albert, Shuaicheng Li, Mitsuyasu Hasebe
Carnivorous plants exploit animals as a nutritional source and have inspired long-standing questions about the origin and evolution of carnivory-related traits. To investigate the molecular bases of carnivory, we sequenced the genome of the heterophyllous pitcher plant Cephalotus follicularis, in which we succeeded in regulating the developmental switch between carnivorous and non-carnivorous leaves. Transcriptome comparison of the two leaf types and gene repertoire analysis identified genetic changes associated with prey attraction, capture, digestion and nutrient absorption...
February 6, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28795107/mass-spectrometry-data-of-metabolomics-analysis-of-nepenthes-pitchers
#2
Muhammad Aqil Fitri Rosli, Kamalrul Azlan Azizan, Syarul Nataqain Baharum, Hoe-Han Goh
Hybridisation plays a significant role in the evolution and diversification of plants. Hybridisation among Nepenthes species is extensive, either naturally or man-made. To investigate the effects of hybridisation on the chemical compositions, we carried out metabolomics study on pitcher tissue of Nepenthes ampullaria, Nepenthes rafflesiana and their hybrid, Nepenthes × hookeriana. Pitcher samples were harvested and extracted in methanol:chloroform:water via sonication-assisted extraction before analysed using LC-TOF-MS...
October 2017: Data in Brief
https://www.readbyqxmd.com/read/28782892/surfaces-inspired-by-the-nepenthes-peristome-for-unidirectional-liquid-transport
#3
REVIEW
Pengfei Zhang, Liwen Zhang, Huawei Chen, Zhichao Dong, Deyuan Zhang
The slippery peristome of the pitcher plant Nepenthes has attracted much attention due to its unique function for preying on insects. Recent findings on the peristome surface of Nepenthes alata demonstrate a fast and continuous unidirectional liquid transport, which is enabled by the combination of a pinning effect at the sharp edges and a capillary rise in the wedge, deriving from the multiscale structure, which provides inspiration for designing and fabricating functional surfaces for unidirectional liquid transport...
August 7, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28719666/effects-of-prey-pitcher-age-and-microbes-on-acid-phosphatase-activity-in-fluid-from-pitchers-of-sarracenia-purpurea-sarraceniaceae
#4
Carl S Luciano, Sandra J Newell
Carnivory in pitcher plants generally involves digestion of prey, by the plant itself, by symbionts, or both. While symbionts appear to be important in the digestion of prey in Sarracenia purpurea, the importance of pitcher-derived enzymes is less well documented. Our goal was to reduce microbial numbers in pitcher fluid in order to measure the acid phosphatase activity attributable to the pitchers themselves. Preliminary experiments indicated that various antibiotics were minimally effective at reducing microbial populations and that antibiotic-resistant microbes were easily cultured from pitcher fluid...
2017: PloS One
https://www.readbyqxmd.com/read/28644442/linking-the-development-and-functioning-of-a-carnivorous-pitcher-plant-s-microbial-digestive-community
#5
David W Armitage
Ecosystem development theory predicts that successional turnover in community composition can influence ecosystem functioning. However, tests of this theory in natural systems are made difficult by a lack of replicable and tractable model systems. Using the microbial digestive associates of a carnivorous pitcher plant, I tested hypotheses linking host age-driven microbial community development to host functioning. Monitoring the yearlong development of independent microbial digestive communities in two pitcher plant populations revealed a number of trends in community succession matching theoretical predictions...
June 23, 2017: ISME Journal
https://www.readbyqxmd.com/read/28634254/widespread-paleopolyploidy-gene-tree-conflict-and-recalcitrant-relationships-among-the-carnivorous-caryophyllales
#6
Joseph F Walker, Ya Yang, Michael J Moore, Jessica Mikenas, Alfonso Timoneda, Samuel F Brockington, Stephen A Smith
PREMISE OF STUDY: The carnivorous members of the large, hyperdiverse Caryophyllales (e.g., Venus flytrap, sundews, and Nepenthes pitcher plants) represent perhaps the oldest and most diverse lineage of carnivorous plants. However, despite numerous studies seeking to elucidate their evolutionary relationships, the early-diverging relationships remain unresolved. METHODS: To explore the utility of phylogenomic data sets for resolving relationships among the carnivorous Caryophyllales, we sequenced 10 transcriptomes, including all the carnivorous genera except those in the rare West African liana family Dioncophyllaceae...
June 20, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28630920/bioinspired-shape-memory-graphene-film-with-tunable-wettability
#7
Jie Wang, Lingyu Sun, Minhan Zou, Wei Gao, Cihui Liu, Luoran Shang, Zhongze Gu, Yuanjin Zhao
Functional materials with specific surface wettability play an important role in a wide variety of areas. Inspired by nature's Nepenthes pitcher plant, we present a novel slippery film with tunable wettability based on a shape-memory graphene sponge. The porous graphene sponge coated with shape-memory polymer was used to lock in inert lubricants and construct slippery surfaces to repel different liquids. The superelasticity and high strength, together with good electrical conductivity, of the graphene sponge imparted the graphene/polymer hybrid films with fast recoverable shape-memory properties...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28533452/fluorescence-as-a-means-of-colour-signal-enhancement
#8
REVIEW
Justin Marshall, Sonke Johnsen
Fluorescence is a physico-chemical energy exchange where shorter-wavelength photons are absorbed by a molecule and are re-emitted as longer-wavelength photons. It has been suggested a means of communication in several taxa including flowers, pitcher plants, corals, algae, worms, squid, spiders, stomatopods, fish, reptiles, parrots and humans. The surface or object that the pigment molecule is part of appears to glow due to its setting rather than an actual production of light, and this may enhance both signals and, in some cases, camouflage...
July 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28529881/iso-seq-analysis-of-nepenthes-ampullaria-nepenthes-rafflesiana-and-nepenthes%C3%A2-%C3%A3-%C3%A2-hookeriana-for-hybridisation-study-in-pitcher-plants
#9
Muhammad Mu'izzuddin Zulkapli, Muhammad Aqil Fitri Rosli, Faris Imadi Mohd Salleh, Normah Mohd Noor, Wan Mohd Aizat, Hoe-Han Goh
Tropical pitcher plants in the species-rich Nepenthaceae family of carnivorous plants possess unique pitcher organs. Hybridisation, natural or artificial, in this family is extensive resulting in pitchers with diverse features. The pitcher functions as a passive insect trap with digestive fluid for nutrient acquisition in nitrogen-poor habitats. This organ shows specialisation according to the dietary habit of different Nepenthes species. In this study, we performed the first single-molecule real-time isoform sequencing (Iso-Seq) analysis of full-length cDNA from Nepenthes ampullaria which can feed on leaf litter, compared to carnivorous Nepenthes rafflesiana, and their carnivorous hybrid Nepenthes × hookeriana...
June 2017: Genomics Data
https://www.readbyqxmd.com/read/28515886/aquatic-microfauna-alter-larval-food-resources-and-affect-development-and-biomass-of-west-nile-and-saint-louis-encephalitis-vector-culex-nigripalpus-diptera-culicidae
#10
Dagne Duguma, Michael G Kaufman, Arthur B Simas Domingos
Ciliate protists and rotifers are ubiquitous in aquatic habitats and can comprise a significant portion of the microbial food resources available to larval mosquitoes, often showing substantial declines in abundance in the presence of mosquito larvae. This top-down regulation of protists is reported to be strong for mosquitoes inhabiting small aquatic containers such as pitcher plants or tree holes, but the nature of these interactions with larval mosquitoes developing in other aquatic habitats is poorly understood...
May 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28401597/unidirectional-wetting-properties-on-multi-bioinspired-magnetocontrollable-slippery-microcilia
#11
Moyuan Cao, Xu Jin, Yun Peng, Cunming Yu, Kan Li, Kesong Liu, Lei Jiang
Here, a smart fluid-controlled surface is designed, via the rational integration of the unique properties of three natural examples, i.e., the unidirectional wetting behaviors of butterfly's wing, liquid-infused "slippery" surface of the pitcher plant, and the motile microcilia of micro-organisms. Anisotropic wettability, lubricated surfaces, and magnetoresponsive microstructures are assembled into one unified system. The as-prepared surface covered by tilted microcilia achieves significant unidirectional droplet adhesion and sliding...
April 12, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28390087/do-ecological-communities-disperse-across-biogeographic-barriers-as-a-unit
#12
Jordan D Satler, Bryan C Carstens
Biogeographic barriers have long been implicated as drivers of biological diversification, but how these barriers influence co-occurring taxa can vary depending on factors intrinsic to the organism and in their relationships with other species. Due to the interdependence among taxa, ecological communities present a compelling opportunity to explore how interactions among species may lead to a shared response to historical events. Here we collect single nucleotide polymorphism data from five commensal arthropods associated with the Sarracenia alata carnivorous pitcher plant, and test for codiversification across the Mississippi River, a major biogeographic barrier in the southeastern United States...
April 8, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28387789/evolution-of-wood-anatomical-characters-in-nepenthes-and-close-relatives-of-caryophyllales
#13
Rachel Schwallier, Barbara Gravendeel, Hugo de Boer, Stephan Nylinder, Bertie Joan van Heuven, Anton Sieder, Sukaibin Sumail, Rogier van Vugt, Frederic Lens
Background and Aims: Nepenthes attracts wide attention with its spectacularly shaped carnivorous pitchers, cultural value and horticultural curiosity. Despite the plant's iconic fascination, surprisingly little anatomical detail is known about the genus beyond its modified leaf tip traps. Here, the wood anatomical diversity of Nepenthes is explored. This diversity is further assessed with a phylogenetic framework to investigate whether the wood characters within the genus are relevant from an evolutionary or ecological perspective, or rather depend on differences in developmental stages, growth habits, substrates or precipitation...
May 1, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28367985/oil-adsorption-ability-of-three-dimensional-epicuticular-wax-coverages-in-plants
#14
Elena V Gorb, Philipp Hofmann, Alexander E Filippov, Stanislav N Gorb
Primary aerial surfaces of terrestrial plants are very often covered with three-dimensional epicuticular waxes. Such wax coverages play an important role in insect-plant interactions. Wax blooms have been experimentally shown in numerous previous studies to be impeding locomotion and reducing attachment of insects. Among the mechanisms responsible for these effects, a possible adsorption of insect adhesive fluid by highly porous wax coverage has been proposed (adsorption hypothesis). Recently, a great decrease in insect attachment force on artificial adsorbing materials was revealed in a few studies...
April 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28250210/dipteran-larvae-and-microbes-facilitate-nutrient-sequestration-in-the-nepenthes-gracilis-pitcher-plant-host
#15
Weng Ngai Lam, Kwek Yan Chong, Ganesh S Anand, Hugh Tiang Wah Tan
The fluid-containing traps of Nepenthes carnivorous pitcher plants (Nepenthaceae) are often inhabited by organisms known as inquilines. Dipteran larvae are key components of such communities and are thought to facilitate pitcher nitrogen sequestration by converting prey protein into inorganic nitrogen, although this has never been demonstrated in Nepenthes Pitcher fluids are also inhabited by microbes, although the relationship(s) between these and the plant is still unclear. In this study, we examined the hypothesis of digestive mutualism between N...
March 2017: Biology Letters
https://www.readbyqxmd.com/read/28222171/metabolite-profiling-of-the-carnivorous-pitcher-plants-darlingtonia-and-sarracenia
#16
Hannu Hotti, Peddinti Gopalacharyulu, Tuulikki Seppänen-Laakso, Heiko Rischer
Sarraceniaceae is a New World carnivorous plant family comprising three genera: Darlingtonia, Heliamphora, and Sarracenia. The plants occur in nutrient-poor environments and have developed insectivorous capability in order to supplement their nutrient uptake. Sarracenia flava contains the alkaloid coniine, otherwise only found in Conium maculatum, in which its biosynthesis has been studied, and several Aloe species. Its ecological role and biosynthetic origin in S. flava is speculative. The aim of the current research was to investigate the occurrence of coniine in Sarracenia and Darlingtonia and to identify common constituents of both genera, unique compounds for individual variants and floral scent chemicals...
2017: PloS One
https://www.readbyqxmd.com/read/28143675/fabrication-techniques-for-bioinspired-mechanically-durable-superliquiphobic-surfaces-for-water-oil-and-surfactant-repellency
#17
REVIEW
Samuel Martin, Philip S Brown, Bharat Bhushan
Nature provides inspiration for liquid-repellant and low-adhesive surfaces, such as the lotus leaf and pitcher plant. While water-repellency is frequently found in nature, oil-repellency and surfactant-repellency are uncommon to nonexistent. To obtain oil- and surfactant-repellency, hierarchical, re-entrant, bioinspired surface structures along with low surface energy materials are needed. This overview presents wetting literature, common liquids and their composition, and fabrication techniques for superliquiphobic surfaces with repellency toward water, oil, and surfactant-containing liquids...
March 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/28018659/mutualists-or-parasites-context-dependent-influence-of-symbiotic-fly-larvae-on-carnivorous-investment-in-the-albany-pitcher-plant
#18
Samuel J Lymbery, Raphael K Didham, Stephen D Hopper, Leigh W Simmons
Carnivorous plants allocate more resources to carnivorous structures under nutrient-limited conditions, and relative investment can also be influenced by animals (infauna) that live in association with these plants and feed on their prey. We investigated these effects within a population of the pitcher plant Cephalotus follicularis containing varying densities of larvae of the fly Badisis ambulans. For plants with a relatively high proportion of adult pitchers, increasing larval density was associated with lower relative leaf allocation to new pitcher buds...
November 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27982472/a-switchable-cross-species-liquid-repellent-surface
#19
Yu Huang, Birgitt Boschitsch Stogin, Nan Sun, Jing Wang, Shikuan Yang, Tak-Sing Wong
A switchable cross-species liquid-repellent surface is developed that can rapidly switch between two distinct liquid-repellent modes: i) the superhydrophobic mode, modeled after lotus leaves, and ii) the slippery mode, modeled after the pitcher-plant peristome. Adaptive liquid repellency and programmable fog harvesting are demonstrated as application examples for the new switchable surface.
February 2017: Advanced Materials
https://www.readbyqxmd.com/read/27974494/correction-to-bacteria-facilitate-prey-retention-by-the-pitcher-plant-darlingtonia-californica
#20
David W Armitage
No abstract text is available yet for this article.
December 2016: Biology Letters
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