abstract：PREMISE OF THE STUDY:The opuntias (nopales, prickly pears) are not only culturally, ecologically, economically, and medicinally important, but are renowned for their taxonomic difficulty due to interspecific hybridization, polyploidy, and morphological variability. Evolutionary relationships in these stem succulents ha...

journal_title：American journal of botany

authors： Majure LC,Puente R,Griffith MP,Judd WS,Soltis PS,Soltis DE

更新日期：2012-05-01 00:00:00

abstract：PREMISE OF THE STUDY:Intertidal macroalgae must resist extreme hydrodynamic forces imposed by crashing waves. How does frond flexibility mitigate drag, and how does flexibility affect predictions of drag and dislodgement in the field? METHODS:We characterized flexible reconfiguration of six seaweed species in a recirc...

journal_title：American journal of botany

authors： Martone PT,Kost L,Boller M

更新日期：2012-05-01 00:00:00

abstract：PREMISE OF THE STUDY:Fern spores are unicellular and haploid, making them a potential model system to study factors that regulate lifespan and mechanisms of aging. Aging rates of nongreen spores were measured to compare longevity characteristics among diverse fern species and test for orthodox response to storage tempe...

journal_title：American journal of botany

authors： Ballesteros D,Estrelles E,Walters C,Ibars AM

更新日期：2012-04-01 00:00:00

abstract：PREMISE OF THE STUDY:The classification of the genus Salix has historically been intrinsically difficult due to its propensity toward plasticity and high variation in diagnostic morphological characters. We investigated leaf epidermal characteristics, focusing on the stomatal apparatus because it may provide critical i...

journal_title：American journal of botany

authors： Ghahremaninejad F,Khalili Z,Maassoumi AA,Mirzaie-Nodoushan H,Riahi M

更新日期：2012-04-01 00:00:00

abstract：PREMISE OF THE STUDY:We developed the first set of microsatellite markers for the passion fruit, Passiflora cincinnata, to provide tools for further study of its genetic diversity and to support current conservation and genetic studies. METHODS AND RESULTS:We used a microsatellite-enriched library approach to isolate ...

journal_title：American journal of botany

authors： Cerqueira-Silva CB,Santos ES,Souza AM,Mori GM,Oliveira EJ,Corrêa RX,Souza AP

更新日期：2012-04-01 00:00:00

abstract：PREMISE OF THE STUDY:Eocene caldera-lake beds at Laguna del Hunco (LH, ca. 52.2 Ma) and Río Pichileufú (RP, ca. 47.7 Ma) in Argentine Patagonia provide copious information about the biological history of Gondwana. Several plant genera from these sites are known as fossils from southern Australia and New Zealand and sur...

journal_title：American journal of botany

authors： Wilf P

更新日期：2012-03-01 00:00:00

abstract：PREMISE OF THE STUDY:Microsatellite markers were developed for the dove tree, Davidia involucrata (Cornaceae), a Tertiary relict currently endemic to China, to investigate its population genetics and phylogeography. METHODS AND RESULTS:Using the Fast Isolation by AFLP of Sequences Containing repeats (FIASCO) protocol,...

journal_title：American journal of botany

authors： Tao C,Yang Z,Lu R,Liu T,Chen S,Ji Y

更新日期：2012-03-01 00:00:00

abstract：PREMISE OF THE STUDY:New microsatellite primers were developed for testing genetic differentiation within Nothoceros aenigmaticus and their potential use in other Nothoceros species. The microsatellites are designed to investigate partitioning of genetic variation in a taxon with a peculiar sex allopatry in the souther...

journal_title：American journal of botany

authors： Villarreal JC,Forrest LL,McFarland K,Goffinet B

更新日期：2012-03-01 00:00:00

abstract：PREMISE OF THE STUDY:Hybridization and polyploidization (allopolyploidy) are ubiquitous in the evolution of plants, but tracing the origins and subsequent evolution of the constituent genomes of allopolyploids has been challenging. Genome doubling greatly complicates genetic analyses, and this has long hindered investi...

journal_title：American journal of botany

authors： Buggs RJ,Renny-Byfield S,Chester M,Jordon-Thaden IE,Viccini LF,Chamala S,Leitch AR,Schnable PS,Barbazuk WB,Soltis PS,Soltis DE

更新日期：2012-02-01 00:00:00

abstract：PREMISE OF THE STUDY:Microsatellite markers were developed for the common wetland plant Juncus effusus to assess levels of within- and among-population genetic diversity. METHODS AND RESULTS:Using a next-generation sequencing approach we identified new microsatellite loci, from which 23 were further characterized in a...

journal_title：American journal of botany

authors： Michalski SG,Durka W

更新日期：2012-02-01 00:00:00

abstract：PREMISE OF THE STUDY:The stability of the bimodal karyotype found in Agave and closely related species has long interested botanists. The origin of the bimodal karyotype has been attributed to allopolyploidy, but this hypothesis has not been tested. Next-generation transcriptome sequence data were used to test whether ...

journal_title：American journal of botany

authors： McKain MR,Wickett N,Zhang Y,Ayyampalayam S,McCombie WR,Chase MW,Pires JC,dePamphilis CW,Leebens-Mack J

更新日期：2012-02-01 00:00:00

abstract：PREMISE OF THE STUDY:Expressed sequence tag (EST)-derived microsatellite markers were developed for Elaeocarpus photiniifolia, an endemic taxon of the Bonin Islands. METHODS AND RESULTS:Initially, a complementary DNA (cDNA) library was constructed by de novo pyrosequencing of total RNA extracted from a seedling. A tot...

journal_title：American journal of botany

authors： Sugai K,Setsuko S,Uchiyama K,Murakami N,Kato H,Yoshimaru H

更新日期：2012-02-01 00:00:00

abstract：PREMISE OF THE STUDY:Previous studies have shown that polyploidy has pronounced effects on photosynthesis. Most of these studies have focused on synthetic or recently formed autopolyploids, and comparatively little is known about the integrated effects of natural allopolyploidy, which involves hybridity and genome doub...

journal_title：American journal of botany

authors： Coate JE,Luciano AK,Seralathan V,Minchew KJ,Owens TG,Doyle JJ

更新日期：2012-01-01 00:00:00

abstract：PREMISE OF THE STUDY:Robust markers are required (inter alia) for assessing origins of Calophyllum inophyllum populations on the Bonin Islands, Japan. Therefore, informative expressed sequence tag (EST)-based microsatellite or simple sequence repeat (SSRs) markers in the species were sought. METHODS AND RESULTS:Using ...

journal_title：American journal of botany

authors： Setsuko S,Uchiyama K,Sugai K,Hanaoka S,Yoshimaru H

更新日期：2012-01-01 00:00:00

abstract：PREMISE OF THE STUDY:We developed simple sequence repeat (SSR) markers from expressed sequence tags (ESTs) for Callitris columellaris sensu lato (s.l.) to elucidate population genetic structure and detect outlier loci by genome scan. METHODS AND RESULTS:mRNA from an individual seedling was subjected to cDNA synthesis ...

journal_title：American journal of botany

authors： Sakaguchi S,Uchiyama K,Ueno S,Ujino-Ihara T,Tsumura Y,Prior LD,Bowman DM,Crisp MD,Isagi Y

更新日期：2011-12-01 00:00:00

abstract：PREMISE OF THE STUDY:Plant communities may be influenced by toxic secondary metabolites or enhanced plant growth from plant-symbiont interactions. The C:N hypothesis predicts that carbon or nitrogen constrains plant secondary metabolite production, but it does not consider compounds produced by plant symbionts. Locowee...

journal_title：American journal of botany

authors： Delaney KJ,Klypina N,Maruthavanan J,Lange C,Sterling TM

更新日期：2011-12-01 00:00:00

abstract：PREMISE OF THE STUDY:Chloroplast microsatellites were developed in Theobroma cacao to examine the genetic diversity of cacao cultivars in Trinidad and Tobago. METHODS AND RESULTS:Nine polymorphic microsatellites were designed from the chloroplast genomes of two T. cacao accessions. These microsatellites were tested in...

journal_title：American journal of botany

authors： Yang JY,Motilal LA,Dempewolf H,Maharaj K,Cronk QC

更新日期：2011-12-01 00:00:00

abstract：PREMISE OF THE STUDY:Microsatellite loci were developed for the endangered species Pityopsis ruthii and will permit genetic and conservation studies of the species. METHODS AND RESULTS:A microsatellite-enriched library was used to develop 12 polymorphic microsatellite loci for P. ruthii. The loci amplified perfect and...

journal_title：American journal of botany

authors： Wadl PA,Dattilo AJ,Scheffler BE,Trigiano RN

更新日期：2011-12-01 00:00:00

abstract：PREMISE:The cosmopolitan and ecologically important grass subfamily Aristidoideae comprises the widely distributed genus Aristida (250-290 species), Stipagrostis (50 species, with an African-Asian distribution), and Sartidia (five species, Africa and Madagascar). The subfamily includes species with C(3) (Sartidia and a...

journal_title：American journal of botany

authors： Cerros-Tlatilpa R,Columbus JT,Barker NP

更新日期：2011-11-01 00:00:00

abstract：PREMISE OF THE STUDY:In animal-pollinated plants, autonomous selfing may provide reproductive assurance when pollinators or reproductive partners are limited. Under such circumstances, the contribution of pollinator-mediated seed set to total seed production also may be more variable compared with situations in which p...

journal_title：American journal of botany

authors： Brys R,de Crop E,Hoffmann M,Jacquemyn H

更新日期：2011-11-01 00:00:00

abstract：PREMISE OF THE STUDY:Elucidating the factors that determine the abundance and distribution of species remains a central goal of ecology. It is well recognized that genetic differences among individual species can affect the distribution and species interactions of dependent taxa, but the ecological effects of genetic d...

journal_title：American journal of botany

authors： Adams RI,Goldberry S,Whitham TG,Zinkgraf MS,Dirzo R

更新日期：2011-10-01 00:00:00

abstract：PREMISE OF THE STUDY:Microsatellite markers were developed for Petunia integrifolia subsp. depauperata with an intent to clarify taxonomic questions on the P. integrifolia complex, and to identify a purple-flowered parent of P. hybrida. METHODS AND RESULTS:We characterized 11 microsatellite loci by screening primers d...

journal_title：American journal of botany

authors： Kriedt RA,Ramos-Fregonezi AM,Beheregaray LB,Bonatto SL,Freitas LB

更新日期：2011-10-01 00:00:00

abstract：PREMISE OF THE STUDY:Microsatellite loci were developed in the endangered Pericopsis elata using a combination of low-cost procedures. METHODS AND RESULTS:Microsatellite isolation was performed simultaneously on three distinct species through a newly available procedure that associates multiplex microsatellite enrichm...

journal_title：American journal of botany

authors： Micheneau C,Dauby G,Bourland N,Doucet JL,Hardy OJ

更新日期：2011-10-01 00:00:00

abstract：UNLABELLED: PREMISE OF THE STUDY:An anatomical examination of dry and fleshy fruits within the Solanaceae was carried out to identify comparable stages throughout development as well as features exclusive to each type of fruit. We studied fruit development of Nicotiana and Petunia, which have the plesiomorphic capsula...

journal_title：American journal of botany

authors： Pabón-Mora N,Litt A

更新日期：2011-09-01 00:00:00

abstract：UNLABELLED: PREMISE OF THE STUDY:Microsatellite primers were developed in Paeonia lactiflora for further population genetic studies. • METHODS AND RESULTS:Ten dinucleotide microsatellite markers were developed using an enriched genomic library. They were identified in 58 individuals, and nine markers were also amplif...

journal_title：American journal of botany

authors： Sun J,Yuan J,Wang B,Pan J,Zhang D

更新日期：2011-09-01 00:00:00

abstract：PREMISE OF THE STUDY:The presence or absence of a functional copy of a plastid gene may reflect relaxed selection, and may be phylogenetically significant, reflecting shared ancestry. In some liverworts, the plastid gene cysA is a pseudogene (inferred to be nonfunctional). We surveyed 63 liverworts from all major clade...

journal_title：American journal of botany

authors： Wickett NJ,Forrest LL,Budke JM,Shaw B,Goffinet B

更新日期：2011-08-01 00:00:00

abstract：PREMISE OF THE STUDY:The correct assessment of homology is an important prerequisite for reconstructing phylogenetic relationships and character evolution. Old World Papaveroideae (Papaver, Meconopsis, Roemeria, Stylomecon) show substantial diversity in gynoecium and capsule morphology. In particular, capsules can have...

journal_title：American journal of botany

authors： Kadereit JW,Erbar C

更新日期：2011-08-01 00:00:00

abstract：PREMISE OF THE STUDY:Miscanthus, a nonfood plant with high potential as a biofuel, has been used in Europe and the United States. The selection of a cultivar with high biomass, photosynthetic efficiency, and stress resistance from wild populations has become an important issue. New genic microsatellite markers will aid...

journal_title：American journal of botany

authors： Ho CW,Wu TH,Hsu TW,Huang JC,Huang CC,Chiang TY

更新日期：2011-08-01 00:00:00

abstract：PREMISE OF THE STUDY:We developed microsatellite loci for the biomass crop Miscanthus sinensis to investigate genetic diversity and population structure of M. sinensis and its closely related species. METHODS AND RESULTS:Fourteen microsatellite loci were identified from an enriched genomic library of M. sinensis and t...

journal_title：American journal of botany

authors： Zhou HF,Li SS,Ge S

更新日期：2011-07-01 00:00:00

abstract：PREMISE OF THE STUDY:Microsatellite primers were developed in the traditional Tibetan medicinal plant Halenia elliptica D. Don to investigate its genetic diversity and population genetic structure. METHODS AND RESULTS:Using the Fast Isolation by AFLP of Sequences Containing (FIASCO) repeats protocol, 24 primer sets we...

journal_title：American journal of botany

authors： Zhang ZR,Yang J,Sun Y,Gao TG,Li DZ,Xue CY

更新日期：2011-07-01 00:00:00

abstract：PREMISE OF THE STUDY:Large genera provide remarkable opportunities to investigate patterns of morphological evolution and historical biogeography in plants. A molecular phylogeny of the species-rich and morphologically and ecologically diverse genus Mimosa was generated to evaluate its infrageneric classification, reco...

journal_title：American journal of botany

authors： Simon MF,Grether R,de Queiroz LP,Särkinen TE,Dutra VF,Hughes CE

更新日期：2011-07-01 00:00:00

abstract：PREMISE OF THE STUDY:Cryptic species are superficially morphologically indistinguishable and therefore erroneously classified under one single name. The identification and delimitation of these species is usually a difficult task. The main aim of this study is to provide an inclusive methodology that combines standard ...

journal_title：American journal of botany

authors： Abdelaziz M,Lorite J,Muñoz-Pajares AJ,Herrador MB,Perfectti F,Gómez JM

更新日期：2011-06-01 00:00:00

abstract：PREMISE OF THE STUDY:Tea Unigene-derived MicroSatellite (TUGMS) markers were identified from the publicly available EST data in Camellia sinensis for characterization and future genome mapping studies in tea. METHODS AND RESULTS:One hundred twelve novel TUGMS markers were identified from 4356 unigenes derived by clust...

journal_title：American journal of botany

authors： Sharma H,Kumar R,Sharma V,Kumar V,Bhardwaj P,Ahuja PS,Sharma RK

更新日期：2011-06-01 00:00:00

abstract：PREMISE:Variation in seedling emergence timing is considered adaptive over the long term in wild populations, but early emergence can result in a fitness advantage. To explore the adaptive significance of seedling emergence timing, it should be studied under realistic conditions and in the context of other traits that ...

journal_title：American journal of botany

authors： Mercer KL,Alexander HM,Snow AA

更新日期：2011-06-01 00:00:00

abstract：PREMISE OF THE STUDY:Endophytic fungi are common inhabitants of cool-season grasses that can affect host growth and reproduction. One prerequisite for the expected coevolution between symbionts is that there exist variable effects of the endosymbiont on its host in different environments. Here, the impact of endophytes...

journal_title：American journal of botany

authors： Cheplick GP

更新日期：2011-05-01 00:00:00

abstract：PREMISE OF THE STUDY:Microsatellite markers of an important medicinal plant, Eurycoma longifolia (Simaroubaceae), were developed for DNA profiling and genetic diversity studies. METHODS AND RESULTS:Eighteen polymorphic microsatellite loci were developed for E. longifolia. The primers were designed from a genomic libra...

journal_title：American journal of botany

authors： Tnah LH,Lee CT,Lee SL,Ng KK,Ng CH,Hwang SS

更新日期：2011-05-01 00:00:00

abstract：PREMISE OF THE STUDY:Microsatellite markers were isolated and characterized from Dacryodes edulis (Burseraceae), a tropical rainforests fruit tree of central Africa. METHODS AND RESULTS:Using an enrichment protocol, six microsatellites loci were developed from Dacryodes edulis. We investigated polymorphism using 45 tr...

journal_title：American journal of botany

authors： Benoit L,Born C,Vignes H,Chevallier MH,Todou G,Debain C,Joly HI

更新日期：2011-04-01 00:00:00

abstract：:In a recent study (American Journal of Botany 97: 730-737), we described the first case of a tripartite association in natural conditions among a holoparasitic plant (Cytinus), its host Cistaceae species, and mycorrhizal fungi at an anatomical level. In a letter to the editor, Brundrett (American Journal of Botany 98:...

journal_title：American journal of botany

authors： de Vega C,Arista M,Ortiz PL,Talavera S

更新日期：2011-04-01 00:00:00

abstract：PREMISE OF THE STUDY:Collinsia was the subject of classic biosystematic studies by Garber and colleagues and is increasingly investigated to address major evolutionary questions. Lack of phylogenetic data from more than one gene region and one taxonomic exemplar has left relationships, diversity, and phytogeography of ...

journal_title：American journal of botany

authors： Baldwin BG,Kalisz S,Armbruster WS

更新日期：2011-04-01 00:00:00

abstract：:Eight ecosystems that were present in the Cretaceous about 100 Ma (million years ago) in the New World eventually developed into the 12 recognized for the modern Earth. Among the forcing mechanisms that drove biotic change during this interval was a decline in global temperatures toward the end of the Cretaceous, augm...

journal_title：American journal of botany

authors： Graham A

更新日期：2011-03-01 00:00:00