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Z0876

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Riccardo Di Mambro et al.
Current biology : CB, 29(7), 1199-1205 (2019-03-19)
Plant developmental plasticity relies on the activities of meristems, regions where stem cells continuously produce new cells [1]. The lateral root cap (LRC) is the outermost tissue of the root meristem [1], and it is known to play an important
Silvana Casati et al.
Anticancer research, 31(10), 3401-3406 (2011-10-04)
We examined the effects of some cytokinins and cytokinin ribosides including a series of adenosine analogs differently substituted in the N(6) position, along with some hypoxanthine derivatives on the viability of normal and neoplastic human cells. Cytokinins such as trans-zeatin
In vitro development of maize immature embryos: a tool for embryogenesis analysis
Matthys-Rochon E, et al.
Journal of Experimental Botany, 49(322), 839-845 (1998)
Yixiang Zhang et al.
BMC bioinformatics, 13 Suppl 15, S8-S8 (2012-10-17)
Multidimensional protein identification technology (MudPIT)-based shot-gun proteomics has been proven to be an effective platform for functional proteomics. In particular, the various sample preparation methods and bioinformatics tools can be integrated to improve the proteomics platform for applications like target
Gaia Bertolotti et al.
Current biology : CB, 31(2), 420-426 (2020-11-12)
In both animals and plants, development involves anatomical modifications. In the root of Arabidopsis thaliana, maturation of the ground tissue (GT)-a tissue comprising all cells between epidermal and vascular ones-is a paradigmatic example of these modifications, as it generates an
Nanae Ueda et al.
Plant physiology, 159(3), 1064-1072 (2012-05-17)
Upon Agrobacterium tumefaciens infection of a host plant, Tumor morphology root (Tmr) a bacterial adenosine phosphate-isopentenyltransferase (IPT), creates a metabolic bypass in the plastid for direct synthesis of trans-zeatin (tZ) with 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate as the prenyl donor. To understand the
Adrian F Powell et al.
Plant physiology and biochemistry : PPB, 64, 33-40 (2013-01-29)
The aim of the present study was to determine if relationships between cytokinin (CK) profiles and corresponding enzymatic regulation were consistent with differences in kernel yield among commercial barley (Hordeum vulgare L.) cultivars, differing in parameters relating to productivity and
A maize cytokinin gene encoding an O-glucosyltransferase specific to cis-zeatin
Martin RC, et al.
Proceedings of the National Academy of Sciences of the USA, 98(10), 5922-5926 (2001)
Ling Guan et al.
Horticulture research, 7, 143-143 (2020-09-15)
Adventitious root (AR) formation is critical for the efficient propagation of elite horticultural and forestry crops. Despite decades of research, the cellular processes and molecular mechanisms underlying AR induction in woody plants remain obscure. We examined the details of AR
Stoloniferous shoot protoplast, an efficient cell system in potato for somatic cell genetic manipulations
Sharma S, et al.
Sci. Hortic., 128(2), 84-91 (2011)
Danuše Tarkowská et al.
Plant science : an international journal of experimental plant biology, 187, 105-112 (2012-03-13)
The putative role of cytokinins in processes leading to reproductive development of plants was investigated by analysing the shoot apical parts of a winter cultivar of oilseed rape (Brassica napus L. var. oleifera, cv. Górczański). The endogenous cytokinin levels were
Wouter G van Doorn et al.
Journal of plant physiology, 170(2), 161-164 (2012-12-12)
Flower opening in Iris (Iris×hollandica) requires elongation of the pedicel and ovary. This moves the floral bud upwards, thereby allowing the tepals to move laterally. Flower opening is requires with elongation of the pedicel and ovary. In cv. Blue Magic
Hyo Jung Kim et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(24), 10028-10033 (2013-05-31)
Cytokinins are plant hormones that play critical roles in growth and development. In Arabidopsis, the transcriptional response to cytokinin is regulated by action of type-B Arabidopsis response regulators (ARRs). Although central elements in the cytokinin signal transduction pathway have been
Toru Kudo et al.
Plant physiology, 160(1), 319-331 (2012-07-20)
cis-Zeatin (cZ) is generally regarded as a cytokinin with little or no activity, compared with the highly active trans-zeatin (tZ). Although recent studies suggested possible roles for cZ, its physiological significance remains unclear. In our studies with rice (Oryza sativa)
Tomáš Filipi et al.
Phytochemistry, 74, 40-48 (2011-11-15)
The maize β-D-glucosidase Zm-p60.1 releases active cytokinins from their storage/transport forms, and its over-expression in tobacco disrupts zeatin metabolism. The role of the active-site microenvironment in fine-tuning Zm-p60.1 substrate specificity has been explored, particularly in the W373K mutant, using site-directed
Isolation of a cytokinin gene, ZOG1, encoding zeatin O-glucosyltransferase from Phaseolus lunatus
Martin RC, et al.
Proceedings of the National Academy of Sciences of the USA, 96(1), 284-289 (1999)
Nagavalli S Kiran et al.
Phytochemistry, 79, 67-77 (2012-05-04)
Cytokinin (CK) activity is regulated by the complex interplay of their metabolism, transport, stability and cellular/tissue localization. O-glucosides of zeatin-type CKs are postulated to be storage and/or transport forms. Active CK levels are determined in part by their differential distribution
Jonas Van Bockhaven et al.
The New phytologist, 206(2), 761-773 (2015-01-28)
Although numerous studies have shown the ability of silicon (Si) to mitigate a wide variety of abiotic and biotic stresses, relatively little is known about the underlying mechanism(s). Here, we have investigated the role of hormone defense pathways in Si-induced
Marek Zatloukal et al.
Bioorganic & medicinal chemistry, 16(20), 9268-9275 (2008-09-27)
The synthesis of a new group of 2-X-6-anilinopurines, including compounds with potential cytokinin-like activities, with various substitutions (X=H, halogen, amino, methylthio or nitro) on the phenyl ring is described. The prepared compounds have been characterized using standard physico-chemical methods, and
Ji Xu et al.
Applied and environmental microbiology, 78(22), 8056-8061 (2012-09-11)
Cytokinin is required for the initiation of leguminous nitrogen fixation nodules elicited by rhizobia and the delay of the leaf senescence induced by drought stress. A few free-living rhizobia have been found to produce cytokinin. However, the effects of engineered
Eriko Sasaki et al.
Phytochemistry, 87, 30-38 (2013-01-03)
Cytokinin (CK) is a plant hormone that plays important regulatory roles in many aspects of plant growth and development. Although functions of CK and its biosynthesis pathway have been studied extensively, there is still no efficient biosynthesis inhibitor, which would
Cui Qi et al.
Biosensors & bioelectronics, 41, 157-162 (2012-09-06)
Zeatins, a major type of cytokinin, are ubiquitous in higher plants, and involve in regulating a wide range of developmental processes. The development of highly specific ligands to zeatins would be very useful in plant biological research. Here we describe
An improved 2-step liquid culture system for efficient in vitro shoot proliferation of sundew (Drosera rotundifolia L.)
Wawrosch C, et al.
Scientia Pharmaceutica, 77(4), 827-836 (2009)
Jaemyung Choi et al.
Plant & cell physiology, 53(7), 1334-1343 (2012-05-31)
Cytokinins are involved in key developmental processes in rice (Oryza sativa), including the regulation of cell proliferation and grain yield. However, the in vivo action of histidine kinases (OsHks), putative cytokinin receptors, in rice cytokinin signaling remains elusive. This study
Sarah Schoor et al.
Plant physiology, 157(2), 659-672 (2011-08-02)
Purine salvage enzymes have been implicated, but not proven, to be involved in the interconversion of cytokinin (CK) bases, ribosides, and nucleotides. Here, we use Arabidopsis (Arabidopsis thaliana) lines silenced in adenosine kinase (ADK) expression to understand the contributions of
Hiroki Yamaguchi et al.
The New phytologist, 196(2), 586-595 (2012-08-24)
A variety of insect species induce galls on host plants. Several studies have implicated phytohormones in insect-induced gall formation. However, it has not been determined whether insects can synthesize phytohormones. It has also never been established that phytohormones function in
G I Komarova et al.
Aviakosmicheskaia i ekologicheskaia meditsina = Aerospace and environmental medicine, 44(2), 61-65 (2010-08-31)
Physiologically active substances are considered as a potential component of plant cultivation technologies for biological life support systems. In spacelight, plant reactions to growth-regulating agents may be changed by the specific stress factors such as microgravity, radiation, and trace admixtures
Wei-Zhong Liu et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(4), 1548-1553 (2013-01-16)
Maintaining nitric oxide (NO) homeostasis is essential for normal plant physiological processes. However, very little is known about the mechanisms of NO modulation in plants. Here, we report a unique mechanism for the catabolism of NO based on the reaction
N De Diego et al.
Tree physiology, 32(4), 435-449 (2012-04-14)
Pinus radiata D. Don is one of the most abundant species in the north of Spain. Knowledge of drought response mechanisms is essential to guarantee plantation survival under reduced water supply as predicted in the future. Tolerance mechanisms are being
Iwona Żur et al.
Plant cell reports, 34(1), 47-62 (2014-09-28)
Effective microspore embryogenesis in triticale is determined by a specific hormonal homeostasis: low value of IAA/cytokinins, IAA/ABA and cytokinins/ABA ratios as well as proper endogenous/exogenous auxin balance, which favours androgenic structure formation and green plant regeneration ability. The concentration of
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