SF21 is a Protein which Exhibits a Dual Nuclear and Cytoplasmic Localization in Developing Pistils of Sunflower and Tobacco.

abstract：:Pseudovivipary is an asexual reproductive strategy exhibited by some arctic/alpine grasses in which leafy plantlets are produced in place of seeds, with genetic conservation an advantage for stress tolerators in these nutrient-poor habitats. Photosynthetic metabolism and the development of this reproductive system wer...

journal_title：Annals of botany

authors： Pierce S,Stirling CM,Baxter R

更新日期：2003-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Over the last decade, the importance of plant biomechanical properties in shaping wave dissipation efficiency of marsh vegetation has gained growing attention. Here we provide the first analyses of how biomechanical stem properties vary with seasons and along environmental gradients in coastal and e...

journal_title：Annals of botany

authors： Zhu Z,Yang Z,Bouma TJ

更新日期：2020-02-03 00:00:00

abstract：BACKGROUND AND AIMS:Introgression of crop genes into populations of wild relatives has important implications for germplasm conservation as well as for the persistence of novel transgenes in wild populations. Studies of hybrid fitness can be used to evaluate the potential for introgression to occur following episodes o...

journal_title：Annals of botany

authors： Song ZP,Lu BR,Wang B,Chen JK

更新日期：2004-03-01 00:00:00

abstract：BACKGROUND:The reconstruction of biological processes and human activities during the last glacial cycle relies mainly on data from biological remains. Highly abundant tissues, such as wood, are candidates for a genetic analysis of past populations. While well-authenticated DNA has now been recovered from various fossi...

journal_title：Annals of botany

authors： Liepelt S,Sperisen C,Deguilloux MF,Petit RJ,Kissling R,Spencer M,de Beaulieu JL,Taberlet P,Gielly L,Ziegenhagen B

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND AND AIMS:Nuclear DNA amounts of 12 diploid and one tetraploid taxa and 12 natural interspecific hybrids of Cirsium from 102 populations in the Czech Republic, Austria, Slovakia and Hungary were estimated. METHODS:DAPI and PI flow cytometry were used. KEY RESULTS:2C-values of diploid (2n = 34) species varie...

journal_title：Annals of botany

authors： Bures P,Wang YF,Horova L,Suda J

更新日期：2004-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Hymenaea stigonocarpa (Fabaceae: Caesalpinioideae) is an endemic tree from the Brazilian cerrado (savanna vegetation), a biome classified as a hotspot for conservation priority. This study investigates the phylogeographic structure of H. stigonocarpa, in order to understand the processes that have l...

journal_title：Annals of botany

authors： Ramos AC,Lemos-Filho JP,Ribeiro RA,Santos FR,Lovato MB

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND AND AIMS:As angiosperms became one of the megadiverse groups of macroscopic eukaryotes, they forged modern ecosystems and promoted the evolution of extant terrestrial biota. Unequal distribution of species among lineages suggests that diversification, the process that ultimately determines species richness, ...

journal_title：Annals of botany

authors： Magallón S,Sánchez-Reyes LL,Gómez-Acevedo SL

更新日期：2019-02-15 00:00:00

abstract：UNLABELLED:BACKGROUND AND AIMS Habitats in mountains are often isolated. Plants growing in these sites face severe dispersal limitations, but also difficulties for recruitment. The focus was laid on the magnitude of genetic differences among populations but also on the size of potentially occurring clones. METHODS:RAP...

journal_title：Annals of botany

authors： Wesche K,Hensen I,Undrakh R

更新日期：2006-11-01 00:00:00

abstract：BACKGROUND AND AIMS:The thermoregulatory flower of the Asian sacred lotus (Nelumbo nucifera) can maintain a relatively stable temperature despite great variations in ambient temperature during anthesis. The thermoregulation has been hypothesized to offer a direct energy reward for pollinators in lotus flowers. This stu...

journal_title：Annals of botany

authors： Li JK,Huang SQ

更新日期：2009-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Epigenetic regulation plays an important role in the management of plant growth, development and response to stress factors, and several reports have indicated that DNA methylation plays a critical role in seed development and viability. This study examines changes in 5-methylcytosine (m(5)C) levels...

journal_title：Annals of botany

authors： Michalak M,Plitta-Michalak BP,Naskręt-Barciszewska M,Barciszewski J,Bujarska-Borkowska B,Chmielarz P

更新日期：2015-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Dynamic management (DM) of genetic resources aims at maintaining genetic variability between different populations evolving under natural selection in contrasting environments. In 1984, this strategy was applied in a pilot experiment on wheat (Triticum aestivum). Spatio-temporal evolution of earline...

journal_title：Annals of botany

authors： Goldringer I,Prouin C,Rousset M,Galic N,Bonnin I

更新日期：2006-10-01 00:00:00

abstract：BACKGROUND AND AIMS:The regrowth dynamics after defoliation of the invasive grass Calamagrostis epigejos were studied. As nitrogen (N) reserves have been shown to play an important role during plant regrowth, the identity, location and relative importance for regrowth of N stores were determined in this rhizomatous gra...

journal_title：Annals of botany

authors： Kavanová M,Gloser V

更新日期：2005-02-01 00:00:00

abstract：:Characteristics of current-year shoot populations were examined for three mature trees of each of three deciduous broad-leaved species. For first-order branches (branches emerging from the vertical trunk) of the trees examined, lengths or diameters of all current-year shoots were measured. Total leaf mass and total cu...

journal_title：Annals of botany

authors： Suzuki M

更新日期：2003-09-01 00:00:00

abstract：BACKGROUND AND AIMS:The palm tribe Chamaedoreeae displays flowers arranged in a complex partial inflorescence called an acervulus. This type of partial inflorescence has so far not been reported elsewhere in the largest palm subfamily Arecoideae, which is traditionally characterized by flowers predominantly arranged in...

journal_title：Annals of botany

authors： Ortega-Chávez N,Stauffer FW

更新日期：2011-12-01 00:00:00

abstract：BACKGROUND:The trailing edges of species ranges are becoming a subject of increasing interest as the environment changes due to global warming. Trailing edge populations are likely to face extinction because of a decline in numbers and an inability to evolve new adaptations with sufficient speed. Discussions of charact...

journal_title：Annals of botany

authors： Levin DA

更新日期：2012-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Successful cryopreservation of bryophytes is linked to intrinsic desiccation tolerance and survival can be enhanced by pre-treatment with abscisic acid (ABA) and sucrose. The pioneer moss Ditrichum plumbicola is naturally subjected to desiccation in the field but showed unexpectedly low survival of ...

journal_title：Annals of botany

authors： Rowntree JK,Duckett JG,Mortimer CL,Ramsay MM,Pressel S

更新日期：2007-09-01 00:00:00

abstract：BACKGROUND:Most angiosperms present flowers in inflorescences, which play roles in reproduction, primarily related to pollination, beyond those served by individual flowers alone. An inflorescence's overall reproductive contribution depends primarily on the three-dimensional arrangement of the floral canopy and its dyn...

journal_title：Annals of botany

authors： Harder LD,Prusinkiewicz P

更新日期：2013-11-01 00:00:00

abstract：BACKGROUND AND AIMS:Although allopolyploidy is a prevalent speciation mechanism in plants, its adaptive consequences are poorly understood. In addition, the effects of allopolyploidy per se (i.e. hybridization and chromosome doubling) can be confounded with those of subsequent evolutionary divergence between allopolypl...

journal_title：Annals of botany

authors： Quintanilla LG,Escudero A

更新日期：2006-09-01 00:00:00

abstract：:The effects of P deficiency on growth, N(2)-fixation and photosynthesis in white clover (Trifolium repens L.) plants were investigated using three contrasting relative addition rates of P, or following abrupt withdrawal of the P supply. Responses to a constant below-optimum P supply rate consisted of a decline in N(2)...

journal_title：Annals of botany

authors： Høgh-Jensen H,Schjoerring J,Soussana JF

更新日期：2002-12-01 00:00:00

abstract：BACKGROUND AND AIMS:Nothoscordum gracile is an apomitic tetraploid widely distributed throughout the Americas and naturalized in many temperate regions of other continents. It has been suggested to form a species complex with sexual and apomictic N. nudicaule and N. macrostemon. Tetraploids of these species also share ...

journal_title：Annals of botany

authors： Souza LG,Crosa O,Speranza P,Guerra M

更新日期：2012-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Mongolian Scots pine (Pinus sylvestris var. mongolica) is one of the principal species used for windbreak and sand stabilization in arid and semi-arid areas in northern China. A model-assisted analysis of its canopy architectural development and functions is valuable for better understanding its beh...

journal_title：Annals of botany

authors： Wang F,Kang M,Lu Q,Letort V,Han H,Guo Y,de Reffye P,Li B

更新日期：2011-04-01 00:00:00

abstract：BACKGROUND AND AIMS:In some dicotyledonous leaves and leaflets, the secondary veins run more-or-less straight to the margins and have well-defined lengths. For a given half-lamina of length L, an equation, previously proposed, relates the lengths of these veins, p, to the distances, l, between the leaf tip and their in...

journal_title：Annals of botany

authors： Burton RF

更新日期：2004-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Mimetic seeds simulate the appearance of fleshy fruits and arilled seeds without producing nutritive tissues as a reward for seed dispersers. In this strategy of seed dispersal, seeds may remain attached to the mother plant for long periods after maturity, increasing their availability to naïve seed...

journal_title：Annals of botany

authors： Brancalion PH,Novembre AD,Rodrigues RR,Marcos Filho J

更新日期：2010-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Pollination is a critical stage in plant reproduction and thus in the maintenance and evolution of species and communities. The Caatinga is the fourth largest ecosystem in Brazil, but despite its great extent and its importance few studies providing ecological information are available, with a notab...

journal_title：Annals of botany

authors： Machado IC,Lopes AV

更新日期：2004-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Kaolin applied as a suspension to plant canopies forms a film on leaves that increases reflection and reduces absorption of light. Photosynthesis of individual leaves is decreased while the photosynthesis of the whole canopy remains unaffected or even increases. This may result from a better distrib...

journal_title：Annals of botany

authors： Rosati A,Metcalf SG,Buchner RP,Fulton AE,Lampinen BD

更新日期：2007-02-01 00:00:00

abstract：BACKGROUND:Clonal plants spread laterally by spacers between their ramets (shoot-root units); these spacers can transport and store resources. While much is known about how clonality promotes plant fitness, we know little about how different clonal plants influence ecosystem functions related to carbon, nutrient and wa...

journal_title：Annals of botany

authors： Cornelissen JH,Song YB,Yu FH,Dong M

更新日期：2014-08-01 00:00:00

abstract：Background and Aims:Rubus subgenus Rubus is a group of mostly apomictic and polyploid species with a complicated taxonomy and history of ongoing hybridization. The only polyploid series with prevailing sexuality is the series Glandulosi , although the apomictic series Discolores and Radula also retain a high degree of ...

journal_title：Annals of botany

authors： Šarhanová P,Sharbel TF,Sochor M,Vašut RJ,Dancák M,Trávnícek B

更新日期：2017-08-01 00:00:00

abstract：UNLABELLED:BACKGROUND AND AIMS; This study is an investigation into the floral development and anatomy of two genera of the small family Salvadoraceae, which belongs to the Brassicales in a clade with Batis and Koeberlinia. Salvadoraceae remains little known, despite its wide distribution in arid areas of the globe. Fl...

journal_title：Annals of botany

authors： Ronse De Craene L,Wanntorp L

更新日期：2009-10-01 00:00:00

abstract：BACKGROUND AND AIMS:Although it was generally assumed that Maxillaria spp. do not produce nectar, in recent years, nectar has been reported for a number of these orchids. Nevertheless, our current understanding of nectary structure and nectar secretion in Maxillaria is based solely on M. coccinea (Jacq.) L.O. Williams ...

journal_title：Annals of botany

authors： Davies KL,Stpiczyńska M,Gregg A

更新日期：2005-08-01 00:00:00

abstract：:Trimenia moorei (Oliv.) Philipson is an andromonoecious liane with >0.40 of the total flower buds maturing as bisexual flowers. Male and bisexual flowers are strongly scented with pollen, anther sacs and receptacle scars testing positively for volatile emissions. Scent analyses detect over 20 components. The major fat...

journal_title：Annals of botany

authors： Bernhardt P,Sage T,Weston P,Azuma H,Lam M,Thien LB,Bruhl J

更新日期：2003-09-01 00:00:00