Ploidy levels among species in the 'Oxalis tuberosa alliance' as inferred by flow cytometry.

abstract：BACKGROUND AND AIMS:Our aim was to understand the environmental conditions of the emergence and radiation of early angiosperms. Such a question has long remained controversial because various approaches applied in the past have drawn conflicting images of early angiosperm ecology. METHODS:We provided a new perspective...

journal_title：Annals of botany

authors： Pouteau R,Trueba S,Isnard S

更新日期：2020-01-08 00:00:00

abstract：BACKGROUND:The initiation of DNA replication is a very important and highly regulated step in the cell division cycle. It is of interest to compare different groups of eukaryotic organisms (a) to identify the essential molecular events that occur in all eukaryotes, (b) to start to identify higher-level regulatory mecha...

journal_title：Annals of botany

authors： Bryant JA,Aves SJ

更新日期：2011-05-01 00:00:00

abstract：BACKGROUND AND AIMS:Previous studies on grass leaf tensile properties (behaviour during mechanical stress) have focused on agricultural applications such as resistance to trampling and palatability; no investigations have directly addressed mechanical properties during water stress, and hence these are the subject of t...

journal_title：Annals of botany

authors： Balsamo RA,Willigen CV,Bauer AM,Farrant J

更新日期：2006-06-01 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 AIMS:The maize lrt1 (lateral rootless1) mutant is impaired in its development of lateral roots during early post-embryonic development. The aim of this study was to characterize, in detail, the influences that the mutation exerts on lateral root initiation and the subsequent developments, as well as to d...

journal_title：Annals of botany

authors： Husakova E,Hochholdinger F,Soukup A

更新日期：2013-07-01 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：BACKGROUND AND AIMS:The family Balsaminaceae is essentially herbaceous, except for some woodier species that can be described as 'woody' herbs or small shrubs. The family is nested within the so-called balsaminoid clade of Ericales, including the exclusively woody families Tetrameristaceae and Marcgraviaceae, which is ...

journal_title：Annals of botany

authors： Lens F,Eeckhout S,Zwartjes R,Smets E,Janssens SB

更新日期：2012-03-01 00:00:00

abstract：BACKGROUND AND AIMS:The tam (tardy asynchronous meiosis) mutant of Arabidopsis thaliana, which exhibits a modified cytokinesis with a switch from simultaneous to successive cytokinesis, was used to perform a direct test of the implication of cytokinesis in aperture-pattern ontogeny of angiosperm pollen grains. The aper...

journal_title：Annals of botany

authors： Albert B,Raquin C,Prigent M,Nadot S,Brisset F,Yang M,Ressayre A

更新日期：2011-06-01 00:00:00

abstract：BACKGROUND AND AIMS:GPT2, a glucose 6-phosphate/phosphate translocator, plays an important role in environmental sensing in mature leaves of Arabidopsis thaliana. Its expression has also been detected in arabidopsis seeds and seedlings. In order to examine the role of this protein early in development, germination and ...

journal_title：Annals of botany

authors： Dyson BC,Webster RE,Johnson GN

更新日期：2014-03-01 00:00:00

abstract：BACKGROUND AND AIMS:White clover (Trifolium repens) is, due to nitrogen (N) fixation, important to the N dynamics of several northern temperate agroecosystems. This study aimed at monitoring growth and death of major white clover plant organs to assess their potential contribution to within-season N input and risk of o...

journal_title：Annals of botany

authors： Sturite I,Henriksen TM,Breland TA

更新日期：2007-07-01 00:00:00

abstract：BACKGROUND AND AIMS:Plants need different survival strategies in habitats differing in hydrological regimes. This probably has consequences for vegetation development when former floodplain areas that are currently confronted with soil flooding only, will be reconnected to the highly dynamical river bed. Such changes i...

journal_title：Annals of botany

authors： Banach K,Banach AM,Lamers LP,De Kroon H,Bennicelli RP,Smits AJ,Visser EJ

更新日期：2009-01-01 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: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 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: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:Hordeum marinum is a species complex that includes the diploid subspecies marinum and both diploid and tetraploid forms of gussoneanum. Their relationships, the rank of the taxa and the origin of the polyploid forms remain points of debate. The present work reports a comparative karyotype analysis o...

journal_title：Annals of botany

authors： Carmona A,Friero E,de Bustos A,Jouve N,Cuadrado A

更新日期：2013-12-01 00:00:00

abstract：:Experiments were carried out at IGER, Aberystwyth, UK to investigate traits of direct relevance to the processes of overwintering and spring growth in white clover (Trifolium repens L.). The plant material used was derived from baseline populations of the cultivar AberHerald and survivor populations generated after 2-...

journal_title：Annals of botany

authors： Collins RP,Helgadóttir A,Fothergill M,Rhodes I

更新日期：2002-03-01 00:00:00

abstract：BACKGROUND:Pollen is the male gametophyte of higher plants. Upon pollination, it germinates and develops into a fast-growing cytoplasmic extension, the pollen tube, which ultimately delivers the sperm into the ovary. The biological relevance of its role, and the uniqueness of this kind of cellular organization, have ma...

journal_title：Annals of botany

authors： Becker JD,Feijó JA

更新日期：2007-12-01 00:00:00

abstract：BACKGROUND AND AIMS:The ω-gliadin storage proteins of wheat are of interest in relation to their impact on grain processing properties and their role in food allergy, particularly the ω-5 sub-group and wheat-dependent exercise-induced anaphylaxis. The ω-gliadins are also known to be responsive to nitrogen application. ...

journal_title：Annals of botany

authors： Wan Y,Gritsch CS,Hawkesford MJ,Shewry PR

更新日期：2014-03-01 00:00:00

abstract：Background and Aims:Capsella is a model genus for studying the transition from outcrossing to selfing, with or without change in ploidy levels. The genomic consequences and changes in reproductive traits (selfing syndrome) associated with these shifts have been studied in depth. However, potential ecological divergence...

journal_title：Annals of botany

authors： Petrone Mendoza S,Lascoux M,Glémin S

更新日期：2018-05-11 00:00:00

abstract：BACKGROUND AND AIMS:Bamboo is well known for its fast growth and excellent mechanical performance, but the underlying relationships between its structure and properties are only partially known. Since it lacks secondary thickening, bamboo cannot use adaptive growth in the same way as a tree would in order to modify the...

journal_title：Annals of botany

authors： Wang X,Keplinger T,Gierlinger N,Burgert I

更新日期：2014-12-01 00:00:00

abstract：:SF21 was originally described as a pollen- and pistil-expressed protein from sunflower and tobacco. In pistils excised from these species, transcripts were detected in the stigma and in the transmitting tissue where they accumulated in an ovary-oriented increasing concentration gradient. We studied the cellular locali...

journal_title：Annals of botany

authors： Kräuter-Canham R,Bronner R,Steinmetz A

更新日期：2001-02-01 00:00:00

abstract：BACKGROUND AND AIMS:Changes in key traits occurring during the processes of plant domestication have long been subjects of debate. Only in the case of genetic analysis or with extensive plant remains can specific sets of changes be documented. Historical details of the plant domestication processes are rare and other e...

journal_title：Annals of botany

authors： Wang JX,Gao TG,Knapp S

更新日期：2008-12-01 00:00:00

abstract：BACKGROUND AND AIMS:Flavonoids have the potential to serve as antioxidants in addition to their function of UV screening in photoprotective mechanisms. However, flavonoids have long been reported to accumulate mostly in epidermal cells and surface organs in response to high sunlight. Therefore, how leaf flavonoids actu...

journal_title：Annals of botany

authors： Agati G,Stefano G,Biricolti S,Tattini M

更新日期：2009-10-01 00:00:00

abstract：BACKGROUND:Many areas throughout the world are simultaneously contaminated by high concentrations of soluble salts and by high concentrations of heavy metals that constitute a serious threat to human health. The use of plants to extract or stabilize pollutants is an interesting alternative to classical expensive decont...

journal_title：Annals of botany

authors： Lutts S,Lefèvre I

更新日期：2015-02-01 00:00:00

abstract：BACKGROUND:Population and environmental pressure have imposed a great challenge on agriculture in China to explore innovative and effective solutions to its pressing plant nutritional problems. Plant nutriomics is a new frontier in plant biology that can provide innovative solutions for improving plant nutrient efficie...

journal_title：Annals of botany

authors： Yan X,Wu P,Ling H,Xu G,Xu F,Zhang Q

更新日期：2006-09-01 00:00:00

abstract：Background and Aims:Diurnal changes in solar position and intensity combined with the structural complexity of plant architecture result in highly variable and dynamic light patterns within the plant canopy. This affects productivity through the complex ways that photosynthesis responds to changes in light intensity. C...

journal_title：Annals of botany

authors： Retkute R,Townsend AJ,Murchie EH,Jensen OE,Preston SP

更新日期：2018-08-01 00:00:00

abstract：BACKGROUNDS AND AIMS:Nitrogen nutrition of legumes, which relies both on atmospheric N2 and soil mineral N, remains a major limiting factor of growth. A decade ago, breeders tried to increase N uptake through hypernodulation. Despite their high nodule biomass, hypernodulating mutants were never shown to accumulate more...

journal_title：Annals of botany

authors： Voisin AS,Bourion V,Duc G,Salon C

更新日期：2007-12-01 00:00:00

abstract：:The present study evaluated waterlogging tolerance, root porosity and radial O(2) loss (ROL) from the adventitious roots, of seven upland, three paddy, and two deep-water genotypes of rice (Oryza sativa L.). Upland types, with the exception of one genotype, were as tolerant of 30 d soil waterlogging as the paddy and d...

journal_title：Annals of botany

authors： Colmer TD

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND AND AIMS:Induction of dehydration tolerance is a key to achieving high survival rates in cryopreservation of plant specimens. It has been reported previously that two-step preculturing with sucrose effectively increased desiccation tolerance in axillary buds of gentian (Gentiana scabra), which allow the buds...

journal_title：Annals of botany

authors： Suzuki M,Ishikawa M,Okuda H,Noda K,Kishimoto T,Nakamura T,Ogiwara I,Shimura I,Akihama T

更新日期：2006-06-01 00:00:00