Sexual reproduction and sex determination in green algae.

abstract：:Chloroplasts change their intracellular positions in response to their light environment. Under darkness, chloroplasts assume special positions that are different from those under light conditions. Here, we analyzed chloroplast dark positioning using Adiantum capillus-veneris gametophyte cells. When chloroplasts were ...

journal_title：Journal of plant research

authors： Tsuboi H,Wada M

更新日期：2012-03-01 00:00:00

abstract：:Comprehensive analysis of genetic information in higher plants is under way for several plants of biological and agronomical importance. Among them, Arabidopsis thaliana, a member of Brassica family, and Oryza sativa(rice) have been chosen as model plants most suitable for genome analysis. Sequencing of the genome of ...

journal_title：Journal of plant research

authors： Tabata S

更新日期：2002-08-01 00:00:00

abstract：:We evaluated the degree of selfing and inbreeding depression at the seed and seedling stages of a threatened tropical canopy tree, Neobalanocarpus heimii, using microsatellite markers. Selection resulted in an overall decrease in the level of surviving selfed progeny from seeds to established seedlings, indicating inb...

journal_title：Journal of plant research

authors： Naito Y,Konuma A,Iwata H,Suyama Y,Seiwa K,Okuda T,Lee SL,Muhammad N,Tsumura Y

更新日期：2005-12-01 00:00:00

abstract：:Apogamous fern species are often difficult to distinguish from related species because of their continuous morphological variations. To clarify the genetic relationships among the members of the Dryopteris varia complex, we analyzed the nucleotide sequences of the plastid gene rbcL and the nuclear gene PgiC. We also a...

journal_title：Journal of plant research

authors： Hori K,Tono A,Fujimoto K,Kato J,Ebihara A,Watano Y,Murakami N

更新日期：2014-11-01 00:00:00

abstract：:Bracts that lacked chlorophyll were compared with rosette leaves on the Chinese glasshouse plant Rheum alexandrae Batalin. The structures were analyzed anatomically and with photospectrometry. Histological features were significantly different between the bracts and the rosette leaves. Epidermal pavement cells and pal...

journal_title：Journal of plant research

authors： Tsukaya H

更新日期：2002-02-01 00:00:00

abstract：:The pollen morphology of 11 genera and 11 species of the Hydrocharitaceae and one species of the Najadaceae was studied using scanning and transmission electron microscopies, and the exine structures and sculptures are discussed in relation to pollination mechanisms and the molecular phylogeny. The pollen grains of th...

journal_title：Journal of plant research

authors： Tanaka N,Uehara K,Murata J

更新日期：2004-08-01 00:00:00

abstract：:Compared to planktonic species, there is little known about the ecology, physiology, and existence of benthic dinoflagellates living in sandy beach or seafloor environments. In a previous study, we discovered 13(2),17(3)-cyclopheophorbide a enol (cPPB-aE) from sand-dwelling benthic dinoflagellates. This enol had never...

journal_title：Journal of plant research

authors： Yamada N,Tanaka A,Horiguchi T

更新日期：2015-11-01 00:00:00

abstract：:The effect of needle damage on the release rate of Masson pine (Pinus massoniana Lamb.) volatiles was examined. Needles were continuously damaged by mechanical damage (MDP) or by feeding of pine caterpillar (Dendrolimus punctatus) larvae (LFP); undamaged pine was used as a control (UDP). Volatiles were collected befor...

journal_title：Journal of plant research

authors： Su JW,Zeng JP,Qin XW,Ge F

更新日期：2009-03-01 00:00:00

abstract：:We have achieved the symbiotic cultivation of an apparently achlorophyllous orchid, Epipogium roseum Lindl., with a mycorrhizal fungus isolated from an underground organ of this orchid. Although the seed germination rate was extremely low, subsequent growth from protocorm to flowering was induced in a medium containin...

journal_title：Journal of plant research

authors： Yagame T,Yamato M,Mii M,Suzuki A,Iwase K

更新日期：2007-03-01 00:00:00

abstract：:The seminal root system of wheat (Triticum aestivum L.) is composed of the primary seminal root, the first pair of seminal roots, and the second pair of seminal roots, which are known to grow in different directions. The direction of root growth, which can be expressed by theta (the angle between the root and the plum...

journal_title：Journal of plant research

authors： Nakamoto T,Oyanagi A

更新日期：1996-12-01 00:00:00

abstract：:Regulation of defense in plants is a complex process mediated by various signaling pathways. Promoter analysis of defense-related genes is useful to understand these signaling pathways involved in regulation. To this end, the regulation of the polygalacturonase-inhibiting protein encoding gene from Vitis vinifera L. (...

journal_title：Journal of plant research

authors： Joubert DA,de Lorenzo G,Vivier MA

更新日期：2013-03-01 00:00:00

abstract：:Carbon autonomy of current-year shoots in flowering, and of current-year shoots plus 1-year-old shoots (1-year-old shoot system) in fruiting of Siberian alder (Alnus hirsuta var. sibirica) was investigated using a stable isotope of carbon, (13)C. The current-year shoot and 1-year-old shoot systems were fed (13)CO(2) a...

journal_title：Journal of plant research

authors： Hasegawa S,Koba K,Tayasu I,Takeda H,Haga H

更新日期：2003-06-01 00:00:00

abstract：:Sex allocation of a cosexual wind-pollinated species, Quercus dentata (Fagaceae), was analyzed using biomass, carbon, nitrogen and phosphorus as currencies based on data accumulated for 61 individuals from 1997-2004. Strongly female-biased sex allocation was indicated when measured in terms of biomass and carbon, but ...

journal_title：Journal of plant research

authors： Ishida TA,Hattori K,Shibata S,Suzuki M,Kimura MT

更新日期：2005-06-01 00:00:00

abstract：:How phenotypic or genetic diversity is maintained in a natural habitat is a fundamental question in evolutionary biology. Flower color polymorphism in plants is a common polymorphism. Hepatica nobilis var. japonica on the Sea of Japan (SJ) side of the Japanese mainland exhibits within population flower color polymorph...

journal_title：Journal of plant research

authors： Kameoka S,Sakio H,Abe H,Ikeda H,Setoguchi H

更新日期：2017-03-01 00:00:00

abstract：:Petrosaviaceae is a monocotyledonous plant family that comprises two genera: the autotrophic Japonolirion and the mycoheterotrophic Petrosavia. Accordingly, this plant family provides an excellent system to examine specificity differences in mycobionts between autotrophic and closely related mycoheterotrophic plant sp...

journal_title：Journal of plant research

authors： Yamato M,Ogura-Tsujita Y,Takahashi H,Yukawa T

更新日期：2014-11-01 00:00:00

abstract：:Neotropical woody bamboos range from northern Mexico to southern Argentina and Chile. The most interesting aspect of bamboo biology is their flowering habit. The species that are the most intriguing are those that manifest a cyclic pattern of gregarious flowering after long vegetative periods. The flowering cycle has ...

journal_title：Journal of plant research

authors： Guerreiro C

更新日期：2014-03-01 00:00:00

abstract：:Plant-pollinator interactions have usually been researched in flowers that have fully opened. However, some pollinators can visit flowers before full opening and contribute to fruit and seed sets. In this paper, we researched the pollination biology of flowers just starting to open in four field experiments. We observ...

journal_title：Journal of plant research

authors： Yamaji F,Ohsawa TA

更新日期：2015-09-01 00:00:00

abstract：:Various photoreceptors in plants are used to monitor important environmental light signals and regulate plant development. Despite their functional importance, recent studies have demonstrated that red/far-red absorbing phytochromes or blue/UV-A absorbing cryptochromes are involved in local adaptation within a species...

journal_title：Journal of plant research

authors： Ikeda H,Fujii N,Setoguchi H

更新日期：2011-01-01 00:00:00

abstract：:Hybridization between crops and their wild relatives potentially threatens the genetic identity of the wild plants, particularly in the case of genetically modified crops. Only a few studies have examined the use of temporal isolation to prevent hybridization, and the indices used in those studies, (e.g., the days of ...

journal_title：Journal of plant research

authors： Ohigashi K,Mizuguti A,Yoshimura Y,Matsuo K,Miwa T

更新日期：2014-01-01 00:00:00

abstract：:In phylogenetic trees generated from partial trnL(UAA) intron sequences, the hornworts (represented by nine species from the genera Anthoceros, Dendroceros, Megaceros, Notothylas and Phaeoceros) are resolved as a monophyletic group and are separated from the clades of mosses, liverworts and tracheophytes. A secondary ...

journal_title：Journal of plant research

authors： Stech M,Quandt D,Frey W

更新日期：2003-10-01 00:00:00

abstract：:Morphological and molecular variation in Mitchella undulata Siebold et Zucc. was examined to evaluate the genetic basis for recognizing the dwarf variety, M. undulata var. minor Masamune. Considerable variation in leaf size in M. undulata, but no obvious morphological discontinuities, were found between the normal and...

journal_title：Journal of plant research

authors： Yokoyama J,Fukuda T,Tsukaya H

更新日期：2003-08-01 00:00:00

abstract：:Petal flavonoid compositions of 39 tree peony cultivars from Xibei (northwest China) were investigated in order to study the chemotaxonomic relationship among tree peony species. Six anthocyanins, the 3- O-glucosides and 3,5-di- O-glucosides of three anthocyanidins-pelargonidin (Pg), cyanidin (Cy), and peonidin (Pn)-e...

journal_title：Journal of plant research

authors： Wang LS,Hashimoto F,Shiraishi A,Aoki N,Li JJ,Sakata Y

更新日期：2004-02-01 00:00:00

abstract：:Cassava anthracnose disease (CAD), caused by the fungus Colletotrichum gloeosporioides f. sp. Manihotis, is a serious disease of cassava (Manihot esculenta) worldwide. In this study, we established a cassava oligonucleotide-DNA microarray representing 59,079 probes corresponding to approximately 30,000 genes based on ...

journal_title：Journal of plant research

authors： Utsumi Y,Tanaka M,Kurotani A,Yoshida T,Mochida K,Matsui A,Ishitani M,Sraphet S,Whankaew S,Asvarak T,Narangajavana J,Triwitayakorn K,Sakurai T,Seki M

更新日期：2016-07-01 00:00:00

abstract：:Mycoheterotrophic plants (MHPs) are leafless, achlorophyllous, and completely dependent on mycorrhizal fungi for their carbon supply. Mycorrhizal symbiosis is a mutualistic association with fungi that is undertaken by the majority of land plants, but mycoheterotrophy represents a breakdown of this mutualism in that pl...

journal_title：Journal of plant research

authors： Ogura-Tsujita Y,Yukawa T,Kinoshita A

更新日期：2021-01-01 00:00:00

abstract：:The Chenopodiaceae is one of the families including C4 species among eudicots. In this family, the genus Chenopodium is considered to include only C3 species. However, we report here a transition from C3 photosynthesis to proto-Kranz to C3-C4 intermediate type in Chenopodium. We investigated leaf anatomical and photos...

journal_title：Journal of plant research

authors： Yorimitsu Y,Kadosono A,Hatakeyama Y,Yabiku T,Ueno O

更新日期：2019-11-01 00:00:00

abstract：:Garden asparagus (Asparagus officinalis L.) is a dioecious species whose male and female flowers are found in separate unisexual individuals. A region called the M-locus, located on a pair of homomorphic sex chromosomes, controls sexual dimorphism in asparagus. To date, no sex determining gene has been isolated from a...

journal_title：Journal of plant research

authors： Deng CL,Wang NN,Li SF,Dong TY,Zhao XP,Wang SJ,Gao WJ,Lu LD

更新日期：2015-09-01 00:00:00

abstract：:The pollen morphology of two species of the Neotropical genus Ceratostema (Ericaceae) was examined by light, scanning and transmission electron microscopy. The Ceratostema species examined have 3-colporate pollen grains united in permanent tetrahedral tetrads that show a common condition encountered in the Ericaceae. ...

journal_title：Journal of plant research

authors： Sarwar AK,Ito T,Takahashi H

更新日期：2006-11-01 00:00:00

abstract：:The metazoan cell nucleus is physically supported by nuclear lamina structures, which are mainly composed of filamentous protein lamins. CROWDED NUCLEI (CRWNs)/nuclear matrix constituent proteins are considered potential candidates of lamin analogs in plants. CRWNs specifically localize to the nuclear periphery, maint...

journal_title：Journal of plant research

authors： Sakamoto Y

更新日期：2020-07-01 00:00:00

abstract：:Approximately one-fourth of Japan's native plant species are threatened with extinction. To conserve these species, it is critical to evaluate genetic diversity at species-level and population-level. Some factors, including population size and geographic distribution, are known to influence the population genetic dive...

journal_title：Journal of plant research

authors： Maki M

更新日期：2003-04-01 00:00:00

abstract：:We discovered that some tree species have leaves whose adaxial sides show bright green-blue fluorescence upon exposure to ultraviolet irradiation. In total, 141 native Japanese species belonging to 47 families were analyzed, and the brightness of the leaf fluorescence, represented by the L* values (Lab color space) of...

journal_title：Journal of plant research

authors： Nakayama M,Iwashina T

更新日期：2017-03-01 00:00:00