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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
MeSH Review

Cuscuta

 
 
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Disease relevance of Cuscuta

 

High impact information on Cuscuta

  • The parasitic angiosperm Cuscuta reflexa has a highly unusual carotenoid composition in that it does not contain neoxanthin, an otherwise ubiquitous component of the major light-harvesting complex protein (LHCIIb) in all other higher plant species studied to date [2].
  • Carotenoid specificity of light-harvesting complex II binding sites. Occurrence of 9-cis-violaxanthin in the neoxanthin-binding site in the parasitic angiosperm Cuscuta reflexa [2].
  • We show that despite high sequence conservation of the coding region of rbcL among different Cuscuta species and tobacco, the 5' non-coding regions of C. gronovii and C. subinclusa have suffered extensive deletions encompassing the PEP promoter that is present in C. reflexa and tobacco [3].
  • Plastid transcription in the holoparasitic plant genus Cuscuta: parallel loss of the rrn16 PEP-promoter and of the rpoA and rpoB genes coding for the plastid-encoded RNA polymerase [4].
  • Levels of indole-3-acetic acid (IAA) in tomato tissue after infection by Cuscuta have been found to increase at a similar stage of infection [5].
 

Biological context of Cuscuta

  • A cDNA clone isolated by differentially screening a cytokinin-induced haustorial cDNA library of Cuscuta reflexa was sequenced and identified as the gene coding for cytochrome b5, based on the similarity of the deduced amino-acid sequence with that of the cauliflower (60% identity) and tobacco (78% identity) proteins [6].
  • A comparison with the homologous region of the plastome from the closely related parasite Cuscuta reflexa reveals a complete loss of the cis-spliced intron of the rps12 gene in addition to a drastic size reduction of the ndhB pseudogene [7].
 

Anatomical context of Cuscuta

  • Three crude polysaccharide fractions, named CS-A, CS-B and CS-C, were prepared from the seeds of Cuscuta chinensis by hot water extraction and diluted alkali extraction subsequently, then EtOH precipitation, and tested for lymphocyte proliferation activity [8].
  • Protoplasts isolated from Cuscuta reflexa exhibited a higher rate of exogenous NADH oxidation as compared to NADPH in the dark [9].
 

Associations of Cuscuta with chemical compounds

  • The cDNA sequence of cytochrome b5 associated with cytokinin-induced haustoria formation in Cuscuta reflexa [6].
  • Isolation, partial characterisation and complement inhibiting activity of a new glycoprotein from Cuscuta europea [10].
  • Most of the identified compounds, especially the acylated flavonoid glycosides, have not previously been reported from Cuscuta species [11].
  • Preliminary studies on the immunomodulatory effect of the C3 binding glycoprotein isolated from Cuscuta europea [12].
  • Synthesis of phytochelatins and modulation of antioxidants in response to cadmium stress in Cuscuta reflexa--an angiospermic parasite [13].
 

Gene context of Cuscuta

References

  1. Effect of Cuscuta chinensis glycoside on the neuronal differentiation of rat pheochromocytoma PC12 cells. Jian-Hui, L., Bo, J., Yong-Ming, B., Li-Jia, A. Int. J. Dev. Neurosci. (2003) [Pubmed]
  2. Carotenoid specificity of light-harvesting complex II binding sites. Occurrence of 9-cis-violaxanthin in the neoxanthin-binding site in the parasitic angiosperm Cuscuta reflexa. Snyder, A.M., Clark, B.M., Robert, B., Ruban, A.V., Bungard, R.A. J. Biol. Chem. (2004) [Pubmed]
  3. The rbcL genes of two Cuscuta species, C. gronovii and C. subinclusa, are transcribed by the nuclear-encoded plastid RNA polymerase (NEP). Berg, S., Krause, K., Krupinska, K. Planta (2004) [Pubmed]
  4. Plastid transcription in the holoparasitic plant genus Cuscuta: parallel loss of the rrn16 PEP-promoter and of the rpoA and rpoB genes coding for the plastid-encoded RNA polymerase. Krause, K., Berg, S., Krupinska, K. Planta (2003) [Pubmed]
  5. Characterization of two tomato aquaporins and expression during the incompatible interaction of tomato with the plant parasite Cuscuta reflexa. Werner, M., Uehlein, N., Proksch, P., Kaldenhoff, R. Planta (2001) [Pubmed]
  6. The cDNA sequence of cytochrome b5 associated with cytokinin-induced haustoria formation in Cuscuta reflexa. Subramaniam, K., Mahadevan, S. Gene (1994) [Pubmed]
  7. Structural and functional analysis of plastid genomes from parasitic plants: loss of an intron within the genus Cuscuta. Freyer, R., Neckermann, K., Maier, R.M., Kössel, H. Curr. Genet. (1995) [Pubmed]
  8. Structural features of an immunostimulating and antioxidant acidic polysaccharide from the seeds of Cuscuta chinensis. Bao, X., Wang, Z., Fang, J., Li, X. Planta Med. (2002) [Pubmed]
  9. Blue light-sensitive plasma membrane bound exogenous NADH oxidase in Cuscuta reflexa. Masih, N., Misra, P.C. Indian J. Exp. Biol. (2000) [Pubmed]
  10. Isolation, partial characterisation and complement inhibiting activity of a new glycoprotein from Cuscuta europea. Zhelev, Z.D., Stanilova, S.A., Carpenter, B.G. Biochem. Biophys. Res. Commun. (1994) [Pubmed]
  11. Characterization of phenolic compounds in the Chinese herbal drug Tu-Si-Zi by liquid chromatography coupled to electrospray ionization mass spectrometry. Ye, M., Yan, Y., Guo, D.A. Rapid Commun. Mass Spectrom. (2005) [Pubmed]
  12. Preliminary studies on the immunomodulatory effect of the C3 binding glycoprotein isolated from Cuscuta europea. Stanilova, S.A., Zhelev, Z.D., Dobreva, Z.G. Int. J. Immunopharmacol. (2000) [Pubmed]
  13. Synthesis of phytochelatins and modulation of antioxidants in response to cadmium stress in Cuscuta reflexa--an angiospermic parasite. Srivastava, S., Tripathi, R.D., Dwivedi, U.N. J. Plant Physiol. (2004) [Pubmed]
  14. A large deletion in the plastid DNA of the holoparasitic flowering plant Cuscuta reflexa concerning two ribosomal proteins (rpl2, rpl23), one transfer RNA (trnI) and an ORF 2280 homologue. Bömmer, D., Haberhausen, G., Zetsche, K. Curr. Genet. (1993) [Pubmed]
  15. Cloning and sequence of a cDNA encoding a novel hybrid proline-rich protein associated with cytokinin-induced haustoria formation in Cuscuta reflexa. Subramaniam, K., Ranie, J., Srinivasa, B.R., Sinha, A.M., Mahadevan, S. Gene (1994) [Pubmed]
  16. Macromolecular trafficking between Nicotiana tabacum and the holoparasite Cuscuta reflexa. Haupt, S., Oparka, K.J., Sauer, N., Neumann, S. J. Exp. Bot. (2001) [Pubmed]
 
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