Evolution of genome size in Brassicaceae.

abstract：BACKGROUND AND AIMS:Plants with crassulacean acid metabolism (CAM) can be divided into two groups according to the major carbohydrates used for malic acid synthesis, either polysaccharide (starch) or monosaccharide (hexose). This is related to the mechanism and affects energy metabolism in the two groups. In Kalanchoë ...

journal_title：Annals of botany

authors： Chen LS,Nose A

更新日期：2004-09-01 00:00:00

abstract：BACKGROUND:The amount of DNA comprising the genome of an organism (its genome size) varies a remarkable 40 000-fold across eukaryotes, yet most groups are characterized by much narrower ranges (e.g. 14-fold in gymnosperms, 3- to 4-fold in mammals). Angiosperms stand out as one of the most variable groups with genome si...

journal_title：Annals of botany

authors： Leitch IJ,Kahandawala I,Suda J,Hanson L,Ingrouille MJ,Chase MW,Fay MF

更新日期：2009-08-01 00:00:00

abstract：BACKGROUND AND AIMS:We tested whether the local differences in genome size recorded earlier in the wild barley, Hordeum spontaneum, at 'Evolution Canyon', Mount Carmel, Israel, can also be found in other organisms. As a model species for our test we chose the evergreen carob tree, Ceratonia siliqua. METHODS:Genome siz...

journal_title：Annals of botany

authors： Bures P,Pavlícek T,Horová L,Nevo E

更新日期：2004-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Afromontane forests host a unique biodiversity distributed in isolated high-elevation habitats within a matrix of rain forests or savannahs, yet they share a remarkable flora that raises questions about past connectivity between currently isolated forests. Here, we focused on the Podocarpus latifoli...

journal_title：Annals of botany

authors： Migliore J,Lézine AM,Hardy OJ

更新日期：2020-06-19 00:00:00

abstract：:The maize (Zea mays L.) kernel undergoes large changes in water content during its development. Whether such changes regulate the pattern of kernel development or are simply a consequence of it has not yet been established because other factors, such as assimilate supply, can also affect the rate and duration of kerne...

journal_title：Annals of botany

authors： Borrás L,Westgate ME,Otegui ME

更新日期：2003-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Rheum, a highly diversified genus with about 60 species, is mainly confined to the mountainous and desert regions of the Qinghai-Tibetan plateau and adjacent areas. This genus represents a good example of the extensive diversification of the temperate genera in the Qinghai-Tibetan plateau, in which ...

journal_title：Annals of botany

authors： Wang A,Yang M,Liu J

更新日期：2005-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Hydration, rupture and exine opening due to the sudden and large expansion of intine are typical of taxoid-type pollen grains. A hemispheric outgrowth external to the exine was observed on Cupressus and Juniperus pollen grains before the intine swelling and exine release. However, the actual existen...

journal_title：Annals of botany

authors： Danti R,Della Rocca G,Calamassi R,Mori B,Mariotti Lippi M

更新日期：2011-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Digestive structures of carnivorous plants produce external digestive enzymes, and play the main role in absorption. In Lentibulariaceae, the ultrastructure of digestive hairs has been examined in some detail in Pinguicula and Utricularia, but the sessile digestive hairs of Genlisea have received ve...

journal_title：Annals of botany

authors： Płachno BJ,Kozieradzka-Kiszkurno M,Swiatek P

更新日期：2007-08-01 00:00:00

abstract：:Different gravity environments have been shown to significantly affect leaf-plantlet formation and asexual reproduction in Kalanchoë daigremontiana Ham. and Perr. In the present work, we investigated the effect of gravity at tissue and cell levels. Leaves and leaf-plantlets were cultured for different periods of time ...

journal_title：Annals of botany

authors： Pedroso MC,Durzan DJ

更新日期：2000-11-01 00:00:00

abstract：BACKGROUND AND AIMS:During the development of an even-aged plant population, the spatial distribution of individuals often changes from a clumped pattern to a random or regular one. The development of local size hierarchies in an Abies forest was analysed for a period of 47 years following a large disturbance in 1959. ...

journal_title：Annals of botany

authors： Suzuki SN,Kachi N,Suzuki J

更新日期：2008-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Despite extensive study of polyploidy, its origin, and ecogeographical differences between polyploids and their diploid progenitors, few studies have addressed ploidy-level structure and patterns of ecogeographical differentiation at various spatial scales using detailed sampling procedures. The pat...

journal_title：Annals of botany

authors： Duchoslav M,Safárová L,Krahulec F

更新日期：2010-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Buzz pollination involves explosive pollen release in response to vibration, usually by bees. The mechanism of pollen release is poorly understood, and it is not clear which component of vibration (acceleration, frequency, displacement or velocity) is critical; the role of buzz frequency has been pa...

journal_title：Annals of botany

authors： Corbet SA,Huang SQ

更新日期：2014-12-01 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 AND AIMS:Biotic and abiotic stressors can cause different defoliation patterns within trees. Foliar pathogens of conifers commonly prefer older needles and infection with defoliation that progresses from the bottom crown to the top. The functional role of the lower crown of trees is a key question to address...

journal_title：Annals of botany

authors： Gomez-Gallego M,Williams N,Leuzinger S,Scott PM,Bader MK

更新日期：2020-05-13 00:00:00

abstract：BACKGROUND AND SCOPE:Self-incompatibility (SI) in flowering plants ensures the maintenance of genetic diversity by ensuring outbreeding. Different genetic and mechanistic systems of SI among flowering plants suggest either multiple origins of SI or considerable evolutionary diversification. In the grasses, SI is based ...

journal_title：Annals of botany

authors： Klaas M,Yang B,Bosch M,Thorogood D,Manzanares C,Armstead IP,Franklin FC,Barth S

更新日期：2011-09-01 00:00:00

abstract：Background and Aims:Knowledge of diploid phylogeny and ecogeography provide a foundation for understanding plant evolutionary history, diversification patterns and taxonomy. The genus Anthoxanthum (vernal grasses, Poaceae) represents a taxonomically intricate polyploid complex with large phenotypic variation and poorly...

journal_title：Annals of botany

authors： Chumová Z,Záveská E,Mandáková T,Krak K,Trávnícek P

更新日期：2017-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Proteins containing the SPX (SYG1/Pho81/XPR1) domain are vital components in the phosphorus (P) signalling pathway, and regulate phosphate (Pi) homeostasis in plants. However, the characteristics and functions of GmSPX members in soybean (Glycine max) remain largely unknown. METHODS:BLAST searching...

journal_title：Annals of botany

authors： Yao Z,Tian J,Liao H

更新日期：2014-09-01 00:00:00

abstract：BACKGROUND AND AIMS:Nitrogen (N) levels vary between ecosystems, while the form of available N has a substantial impact on growth, development and perception of stress. Plants have the capacity to assimilate N in the form of either nitrate (NO3-) or ammonium (NH4+). Recent studies revealed that NO3- nutrition increases...

journal_title：Annals of botany

authors： Wany A,Gupta AK,Kumari A,Mishra S,Singh N,Pandey S,Vanvari R,Igamberdiev AU,Fernie AR,Gupta KJ

更新日期：2019-03-14 00:00:00

abstract：Background:Refugia are island-like habitats that are linked to long-term environmental stability and, as a result, high endemism. Conservation of refugia and endemism hotspots should be based on a deep ecological and evolutionary understanding of their functioning, which remains limited. Although functional traits can ...

journal_title：Annals of botany

authors： Keppel G,Ottaviani G,Harrison S,Wardell-Johnson GW,Marcantonio M,Mucina L

更新日期：2018-11-30 00:00:00

abstract：BACKGROUND:Grasslands are a major part of the global ecosystem, covering 37 % of the earth's terrestrial area. For a variety of reasons, mostly related to overgrazing and the resulting problems of soil erosion and weed encroachment, many of the world's natural grasslands are in poor condition and showing signs of degra...

journal_title：Annals of botany

authors： O'Mara FP

更新日期：2012-11-01 00:00:00

abstract：BACKGROUND AND AIMS:Floral development is remarkably robust in terms of the identity and number of floral organs in each whorl, whereas vegetative development can be quite plastic. This canalization of flower development prevents the phenotypic expression of cryptic genetic variation, even in fluctuating environments. ...

journal_title：Annals of botany

authors： Monniaux M,Pieper B,Hay A

更新日期：2016-04-01 00:00:00

abstract：BACKGROUND AND AIMS:Seagrasses are marine, flowering plants with a hydrophilous pollination strategy. In these plants, successful mating requires dispersal of filamentous pollen grains through the water column to receptive stigmas. Approximately 40 % of seagrass species are monoecious, and therefore little pollen movem...

journal_title：Annals of botany

authors： Sinclair EA,Gecan I,Krauss SL,Kendrick GA

更新日期：2014-06-01 00:00:00

abstract：BACKGROUND AND AIMS:Plants are expected to maximize their net photosynthetic gains and efficiently use available resources, but the fundamental principles governing trade-offs in suites of traits related to resource-use optimization remain uncertain. This study investigated whether Acer saccharum (sugar maple) saplings...

journal_title：Annals of botany

authors： Posada JM,Sievänen R,Messier C,Perttunen J,Nikinmaa E,Lechowicz MJ

更新日期：2012-08-01 00:00:00

abstract：BACKGROUND AND AIMS:Previous measurements of conifer alkaloids have revealed significant variation attributable to many sources, environmental and genetic. The present study takes a complementary and intensive, common garden approach to examine genetic variation in Pinus ponderosa var. ponderosa alkaloid production. Ad...

journal_title：Annals of botany

authors： Gerson EA,Kelsey RG,St Clair JB

更新日期：2009-02-01 00:00:00

abstract：BACKGROUND:Sweet melons, Cucumis melo, are a widely grown and highly prized crop. While melons were familiar in antiquity, they were grown mostly for use of the young fruits, which are similar in appearance and taste to cucumbers, C. sativus. The time and place of emergence of sweet melons is obscure, but they are gene...

journal_title：Annals of botany

authors： Paris HS,Amar Z,Lev E

更新日期：2012-07-01 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 There has been renewed global interest in both genetic and management strategies to improve root system function in order to improve agricultural productivity and minimize environmental damage. Improving root system capture of water and nutrients is an obvious strategy, yet few studies consider the importan...

journal_title：Annals of botany

authors： Thorup-Kristensen K,Kirkegaard J

更新日期：2016-10-01 00:00:00

abstract：BACKGROUND AND AIMS:The mode of reproduction (sexual vs. asexual) is likely to have important effects on genetic variation and its spatial distribution within plant populations. An investigation was undertaken of fine-scale clonal structure and diversity within patches of Ilex leucoclada (a clone-forming dioecious shru...

journal_title：Annals of botany

authors： Torimaru T,Tomaru N

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:Salt stress has become a major threat to plant growth and productivity. Arbuscular mycorrhizal fungi colonize plant root systems and modulate plant growth in various ways. SCOPE:This review addresses the significance of arbuscular mycorrhiza in alleviation of salt stress and their beneficial effects on plan...

journal_title：Annals of botany

authors： Evelin H,Kapoor R,Giri B

更新日期：2009-12-01 00:00:00

abstract：BACKGROUND AND AIMS:Heterodichogamy differs from normal dichogamy, in that it involves two mating types (protogyny and protandry) that occur at a 1 : 1 ratio in a population. Flowering phases of the two mating types are synchronized and reciprocal, which was considered to ensure between-type outcrossing. This study aim...

journal_title：Annals of botany

authors： Bai WN,Zeng YF,Liao WJ,Zhang DY

更新日期：2006-08-01 00:00:00