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Ongoing research
Bamboos
 Oryza rufipogon
 DNA barcoding
bambogel1.gif (38431 bytes)To understand extend of genetic diversity in Indian bamboos, analysis is being carried out using inter-single sequence repeat (ISSR) markers.... MORE
 rufi1.gif (32659 bytes)Collaborated for research on population structure, gene exchange and genetic diversity of Oryza rufipogon. Work is progressing at Universiti Kebangsaan Malaysia MORE
 travancorica1.gif (73741 bytes)Unique DNA sequences can be used for identification of taxa at species level which is otherwise called as DNA barcoding. A project to identify and distinguish various Ochlandraspecies has been prepared.
Previous research
Andrographis
 QTL mapping
 Population
ap.jpg (56258 bytes)Studied genetic diversity of in situ as well as ex situ populations of Andrographis paniculata Nees, an important medicinal herb .... MORE Find what's happening on Andrographis ... Go Website exclusively for Andrographis ... Visit
map1.gif (24848 bytes)Simple sequence repeat (SSR) markers were used to create a linkage map spanning the twelve rice chromosomes. Ninety one QTLs were detected by means of marker regression with a significance level of p MORE
 map2.gif (9096 bytes)266 BC2F2 families were developed from an interspecific cross between Oryza rufipogon accession no. IRGC 105491 and O. sativa cv. MR219. MORE


Publications
Journals/Books
  • Sabu K.K., Abdullah M.Z., Lim L.S. and Wickneswari R. 2006. Development and evaluation of advanced backcross families of rice for agronomically important traits. Commun. Biometry Crop Sci. 1 (2), 111-123. [Abstract] [Full Text - pdf]
  • Geetha, B.S., K.K. Sabu and S. Seeni. 2003. Genetic variation in south Indian populations of Phyllanthus amarus Schum. Thonn. (Euphorbiaceae) assessed using isozymes. Proceedings of the Fifteenth Kerala Science Congress. 29-31 January 2003, Thiruvananthapuram, pp. 196-201 Full Text (pdf)
  • Sabu, K.K., N.S. Pradeep and P. Padmesh. 2003. Application of molecular markers for the analysis of genetic diversity and systematics of fungi. In Frontiers of Fungal Diversity in India (Prof. Kamal Festschrift)/edited by G.P. Rao, C. Manoharachari, D.J. Bhat. Lucknow, International, xxiv, 906 p.Full Text (pdf)
  • Sabu, K.K., P. Padmesh and S. Seeni. 2001. Estimation of active principle content and isozymes of Andrographis paniculata, an important medicinal plant of India. Journal of Medicinal & Aromatic Plant Sciences (Lucknow) 23: 637-647.Full Text (pdf)
  • Jacob, J.P., K.K. Sabu and T.K. Abraham. 2000. Genetic variability of mutant strains of Pleurotus citrinopileatus based on isozyme electrophoresis. Mushroom Research 9: 79-84.
  • Padmesh, P., K.K. Sabu, S. Seeni and P. Pushpangadan. 1998. The use of RAPD in detecting genetic variability in Andrographis paniculata Nees: a potent hepatoprotective drug. Current Science (Bangalore) 76: 833-835.Full Text (html)Full Text (pdf)
  • Seeni, S., K.K. Sabu and P. Padmesh. 1998. Variable-Invariably: An introduction to intraspecific variations in medicinal plants. Amruth (FRLHT- Bangalore) 2: 3-8.Full Text (pdf)
  • Seeni, S. and K.K. Sabu. 1998. Conservation and economic utilization of plant genetic resources through Biotechnological means. In: Conservation and Economic Evaluation of Biodiversity. Vol. I. pp. 239-249. Oxford University press, New Delhi.Full Text (pdf)
Contributed Papers
A. Oral presentations
  • Development and Evaluation of Advanced Backcross Families (O. rufipogon x O. sativa) for Detection of QTLs Linked to Grain Yield and Related Traits in Rice. Faculty of Science and Technology, Universiti Kebangsaan Malaysia. 30 Sept 2005.
  • Using SAS® Procedures to Estimate Genetic Variances and Heritability in a Rice Cross. 19th Annual SAS User’s Malaysia (SUM) Forum, Kuala Lumpur Convention Centre. 21 Sept 2005.
  • Intraspecific variations in Andrographis paniculata Nees. Department of Botany, University of Kerala. Jul 2002.
  • Applications of DNA fingerprinting. Tropical Botanic Garden and Research Institute, Kerala. Feb 1999.
B. Poster abstracts
  • Sabu K.K., Abdullah M.Z., Lim L.S. and Wickneswari R. 2005. Heritability and genetic variance estimates for yield and yield related traits in Oryza rufipogon/O. sativa F1 and BC2F2 families. 5th International Rice Genetics Congress to be held at International Rice Research Institute (IRRI), Manila in November 2005 (Poster presentation).
  • Lim, L.S., K.K. Sabu , R. Wickneswari and M.Z. Abdullah. 2005. Identification of QTLs for tillering ability in an inter-specific rice cross. Plant & Animal Genomes XIII Conference, January 15-19, 2005. Town & Country Convention Center, San Diego, USA.
  • Nadarajah, K., Song, B.K., Sabu, K.K. and Ratnam, W. 2003. The Use of Microsatelite Markers in Physical and Genetic Mapping of Malaysian Rice Variety. International Conference for Bioinformatics, Penang Malaysia. Pg 111 (D003).
  • Wickneswari R., Lim L.S., Sabu K.K. and Abdullah M.Z. 2003. Improvement of grain yield using AB-QTL strategy in a Malaysian rice variety. Oral paper presented at the 14th National Biotechnology Seminar, 11-13 December 2003, Penang, Malaysia.
  • Lim L.S, Sabu K.K., Wickneswari R. and Abdullah M.Z. QTL identification of yield-related traits in a Malaysian rice cross. International Rice Conference 2003, 13-17 Oct 2003, Alor Setar, Malaysia Poster
  • Wickneswari R., Sabu K.K., Lim L.S and Abdullah M.Z. Improvement of grain yield using advanced backcross QTL strategy in a Malaysian rice variety. Genetics Congress 2003, 6-11 Jul 2003, Melbourne, Australia Poster
  • In situ and ex situ genetic diversity of Andrographis paniculata Nees populations from India. Genetics Congress 2003, 6-11 Jul 2003, Melbourne, Australia
  • Sabu, K.K., S. Seeni and G. Sreekantan Nair. The application of Bioinformatics in bioprospecting of medicinal plant resources of Kerala. 13th Kerala Science Congress, Jan 2001, Thrissur, India. Theme Session: Information Technology for Development - A Millennium Perspective.
  • Sabu, K.K. and S. Seeni.Development of a computer package for estimation of various plant molecules. Symposium on Current Trends in Biology, Indian Institute of Science, Bangalore. 27-28 Dec, 1999.
  • Padmesh, P., K.K. Sabu and S. Seeni. Analysis of genetic variations in Andrographis paniculata using isozyme and random amplified polymorphic DNA markers. 11th Kerala Science Congress, 27 Feb.-1 Mar. 1999, Kasaragod, India.
  • Sabu, K.K. and S. Seeni. Patterns of allozyme diversity in natural populations of Andrographis paniculata Nees. National Conference on Recent Trends in Spices and Medicinal Plant Research, Bose Institute, Calcutta, India 2-4 Apr, 1998.
  • Sabu, K.K. and S. Seeni. Biochemical characterization of intraspecific variations in Andrographis paniculata Nees. International Symposium on Perspectives in Biochemistry and Molecular Biology, Indian Institute of Science, Bangalore. 20-23 Nov, 1996.
Sabu's PhD Thesis
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 Website exclusively for Andrographis ... Visit