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Dr. Grecebio Jonathan Alejandro

Alejandro GrecebioDr. rer. nat. Grecebio Jonathan D. Alejandro

Alexander von Humboldt Postdoctoral Fellow (Museum of Natural History Stuttgart, University of Bayreuth, Germany & Université de Franche-Comté, France) 

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JOURNAL PUBLICATIONS

  1. MA Tan, CNL Concepcion, GJD Alejandro & H. Takayama. 2014. Chemotaxonomic relevance of the constituents from the leaves of Rothmannia merrillii. Journal of Chemical & Pharmaceutical Research 6(6): 779-781.
  2. GJD Alejandro, LAR Santos, HW Hsu, MSS Mejillano, PJR Santor, & VB Amoroso. 2014.. Molecular Phylogeny of the genus Bikkia (Rubiaceae) including a new endemic Philippine Inland forest species and a new endemic Philippine inland forest species Bikkia montoyae. Philippine Science Letters 7(1): 88-96.
  3. AH Arriola & GJD Alejandro. 2013. A new species of Psydrax (Vanguerieae, Rubiaceae) from Luzon, Philippines. Phytotaxa 149 (1): 27-30.
  4. RR Rubite, M Hughes, GJD Alejandro & CI Peng. 2013. Recircumscription of Begonia sect. Baryandra (Begoniaceae): Evidence from Molecular data. Botanical Studies 54: 1-5.
  5. U Meve & GJD Alejandro. 2013. Taxonomy of the Asian Gymnema latifolium (Apocynaceae, Asclepiaddoideae, Marsdenieae), including lectotypification of the synonymous G. khandalense. Willdenowia 43: 81-86.
  6. AH Arriola & GJD Alejandro. 2013. A new species of Villaria (Octotropideae, Rubiaceae) from Luzon, Philippines including its conservation status. Phytotaxa 111 (1): 57-60.
  7. JJ Obico & GJD Alejandro. 2013. A new species of Antherostele (Rubiaceae, Rubioideae, Urophylleae) from Mt. Sohoton, Samar, Philippines. Phytotaxa 104 (1):53-57.
  8. APG Macabeo, AD Lopez, S Schmidt, J Heilmann, HM Dahse, GJD Alejandro & SG Franzblau. 2013. Antitubercular and Cytotoxic Constituents from Goniothalamus gitingensis. Records of Natural Products 8: 41-45.
  9. MA Tan, JA Eusebio, RAP Villacorta, N Kogure, H Takayama, GJD Alejandro. 2013. Isolation and identification of vomifoliol from Two endemic Philippine Rubiaceae species, Psychotria gitigensis and Villaria odorata. Asia-Pacific Journal of Science, Mathematics and Engineering 1(1):1-3.
  10. GJD Alejandro, EH Arenas, CM Cremen & AH Arriola. 2013. A new record of Pyrostria (Vanguerieae-Rubiaceae) from the Philippines inferred from molecular and morphological data. Philippine Journal of Systematic Biology 7: 1-12.
  11. Alejandro GJD, Ortega FLE, Guiab KP, Seares DXV, Huenefeld KJ, Banag CI, Obico JJA, & Ramos MC. 2013. “Comparative molecular Analyses of Antherostele banahaensis [Elmer] Bremek. And A. callophylla Bremek. [Rubiaceae] with implication on their phylogenetic position and biochemical properties”. Acta Manilana 59:39-48. ISSN: 0065-1370.
  12. Alejandro GJD, Balete IKC, Caagbay JFC, Cruz JMB, Narciso CJC, Nazareno DE, Banag CI, & Uy MM. (Printed 2013). “Polyphyly of Bikkia Reinw. [Rubiaceae] based on multi-locus sequence analysis [ITS, rps16, trnL-F], with emphasis on the endemic Bikkia philippinensis Val. including its conservation status”: Acta Manilana 59:49-55. ISSN: 0065-1370.
  13. JG Chavez, U Meve, & GJD Alejandro. 2012. New Combinations in Rothmannia (Rubiaceae) and the Establishment of the genus in the Philippine Flora. Philippine Science Letters 5: 150-157.
  14. JJ Obico & GJD Alejandro. 2012 Molecular Phylogeny of the Philippine endemic genus Antherostele Bremek. (Rubiaceae) inferred from ITS data (nrDNA) and its conservation status. American Journal of Plant Sciences 3: 1399-1407.
  15. PGD Cabuang, BS Exconde, VIM Lim, DKM Padilla, SR Salas, APG Macabeo, BOC Lemana & GJD Alejandro. 2012. A Novel Species of Uvaria (Annonaceae) Based on cpDNA Markers with Potential Medicinal Properties. Philippine Journal of Systematic Biology 6: 1-16.
  16. MM Uy & GJD Alejandro. 2012. Conservation status and nrITS-supported classification of the Philippine endemic genus Greeniopsis Merr. (Rubiaceae). Asia Life Sciences 21(2):441-454.
  17. JA Eusebio, GJD Alejandro, MA Tan. 2012. Chemotaxonomic implications of the absence of alkaloids in Psychotria gitingensis. Biochemical Systematics & Ecology 45: 20-22. http://dx.doi.org/10.1016/j.bse.2012.07.016.
  18. APG Macabeo, JA Avilaa, GJD Alejandro, SG Franzblaud, SF Kouame, H Hussaine & K Krohn. 2012.Villarinol, a new Alkenoyloxyalkenol Derivative from the Endemic Philippine Rubiaceae species Villaria odorata. Natural Product Communications 7(6): 779-780.
  19. GJD Alejandro, U Meve, A Mouly, M Thiv & S Liede-Schumann. 2011. Molecular phylogeny and taxonomic revision of the Philippine endemic Villaria Rolfe (Rubiaceae). Plant Systematics & Evolution 296: 1–20. DOI 10.1007/s00606-011-0472-9.
  20. CI Banag, AO. Gatpo, BJ. Adajar, SA. Apepe, LE. de Castro, LP. Liwag, & GJD Alejandro. 2011. GENERIC STATUS OF THE ENDEMICATALANTIA LINEARIS Merr (RUTACEAE) BASED ON rps16 INTRON DATA (cpDNA), WITH A PRELIMINARY REPORT ON ITS PHYTOCHEMICAL COMPONENTS. Philippine Journal of Systematic Biology 5: 49-59.
  21. AH Arriola & GJD Alejandro. 2011. Searching for the relatives of the Philippine endemic Gloeocarpus Radlk. (Sapindaceae): Evidence molecular sequence data. Philippine Journal of Systematic Biology 5: 83-96.
  22. GJD Alejandro, U Meve, M Uy, A Mouly, M Thiv & S Liede-Schumann. 2010. Molecular support of the classification of Greeniopsis Merr. in Aleisanthieae (Rubiaceae), with a revision of the genus. Taxon 59 (5) : 1547–1564.
  23. APG Macabeo, FA Tudla, GJD Alejandro, Simeon F. Kouam, Hidayat Hussain, Karsten Krohn. 2010. Benzoylated derivatives from Uvaria rufa. Biochemical Systematics and Ecology 38 (2010) 857–860.
  24. AL Buera, OS Laurente, BC Lemana, and GJD Alejandro. 2010. Molecular Confirmation on the Phylogenetic Position of the Genus Clemensiella Schltr. in Marsdenieae (Apocynaceae - Asclepiadoideae). Philippine Journal of Systematic Biology 4: 55-66.
  25. G. S. Bautista, GJD Alejandro, E. A. Quinto. 2010. Novel Antibacterial Bioassay of Plant Extracts Based on Inhibition of Immobilized Bioluminescence and its Implication in the Interference of Quorum Sensing Abstracts of the 110th General Meeting of the American Society for Microbiology (ASM), San Diego, CA. May 23 -27, 2010. ISBN: 978-1-55581-623-0.
  26. U Meve, O Laurente, GJD Alejandro, & Livshultz T. (2009 November). Systematics of Clemensiella (Apocynaceae--Asclepiadoideae). Edinburgh Journal of Botany: An International Journal of Plant Systematics and Biodiversity 66(3): 447-457. doi:10.1017/S0960428609990059 ISSN: 0960-4286, EISSN: 1474-0036.
  27. APG Macabeo, GJD Alejandro, AV Hallare, WS Vidar, & OB Flores. 2009. Phytochemical Survey and Pharmacological Activities of the Indole Alkaloids in the genus Voacanga Thouars (Apocynaceae) – An Update. Pharmacognosy Reviews 3(5): 143-153. ISSN: 0031-6997.
  28. GJD Alejandro, Madulid RS, &. Madulid DA. 2008. The utility of Internal Transcribed Spacer (nrDNA) sequence data for phylogenetic reconstruction in endemic Philippine Nepenthes L. (Nepenthaceae). The Philippine Scientist 45: 99-110. DOI: 10.3860/psci.v45i0.994, ISSN:0079-1466.
  29. GJD Alejandro, U Meve, & S Liede-Schumann. 2008. Two new species of Mussaenda (Rubiaceae) from Panay Island, Philippines. Botanical Journal of Linnean Society: The Linnean Society of London 158: 87-92.Article first published online: 3 SEP 2008 | DOI: 10.1111/j.1095-8339.2008.00882.x, Online ISSN: 1095-8339.
  30. JA Ching, CA Binag, & GJD Alejandro. 2008. Uptake and distribution of some heavy metals in peanut (Arachis hypogaea L.) grown in artificially contaminated soils. Philippine Agricultural Scientist 91(2):134-142. ISSN 0031-7454.
  31. GJD Alejandro, Arlegui DLA, Detabali PMO, Espino EA, Layson EG, & Rosales RFB. 2008. Synonymy of three Villaria Rolfe spp. (Rubiaceae): Evidence from morphological and nuclear rDNA sequence data. Acta Manilana 56: 7-15. DOI: 10.3860/acta.v56i0.1489, ISSN: 0065-1370.
  32. GJD Alejandro & U Meve. 2008. Development of an interactive database of the Philippine Mussaenda species (Rubiaceae). Philippine Journal of Systematic Biology 2 (1): 12-20. ISSN 1908-6865.
  33. GJD Alejandro, C.G. Evangelista, C.I. Banag, L.K.M. Getuiza, E.T. Liberato, A.G. Punsalan and J.C. Rosales. 2008. Phylogenetic positions of the tuberous Rubiaceous epiphytes (ant plants) inferred from ITS1, 5.8s gene and ITS2 region (nrDNA) sequence data. The Philippine BIOTA 41(1): 17-29.
  34. GJD Alejandro, J.P.C. Baysa, B.O.C. Lemana, G.M. Madulara1, R.S. Madulid and D. A. Madulid. 2007. Conspecificity of Nepenthes alata Blco. population found in Mt. Guisguis, Zambales inferred from Internal Transcribed Spacer (nrDNA) Sequence Data. Acta Manilana 55: 15-21.
  35. GJD Alejandro, E.A. Quinto, A.V. De Mesa, N.S. Dizon, D.M. Mendoza, A.P. Ong and F.E. Pascual. 2007. Comparative Determination of the Antioxidant Activities of Fruits using the DPPH assay. The Philippine BIOTA 40(2): 4-13.
  36. GJD Alejandro. 2007. The Current Status of the Philippine Rubiaceae. Philippine Journal of Systematic Biology 1(1): 47-60.
  37. GJD Alejandro, S. Razafimandimbison, and S. Liede-Schumann. 2005. Polyphyly of Mussaenda inferred from ITS and trnT-F data and its implication for generic limits in Mussaendeae (Rubiaceae). American Journal of Botany 92(3): 544-557.
  38. GJD Alejandro, S. Razafimandimbison, and S. Liede-Schumann. 2004. New circumscription of Mussaenda (Mussaendeae: Rubiaceae) inferred from ITS and trnT-F data. In P. Grandcolas: Abstracts of the 23rd Annual Meeting of the Willi Hennig Society, “Phylogenetics and Evolutionary Biology”. Cladistics 20: 584.
  39. GJD Alejandro & S. Liede. 2003. The Philippine Rubiaceae Genera: Updated Synopsis In INTKEY Databases of the DELTA System. Blumea 48: 261-277.
  40. GJD Alejandro and D. Madulid. 2000. Morpho-Numerical Analysis of Ficus species Using Hierarchical Method of Clustering Analysis. Acta Manilana 48: 11-18.
  41. GJD Alejandro and D. Madulid. 1999. The Ficus (Moraceae) Flora of Mts. Palay-palay – Mataas na Gulod National Park (Ternate, Cavite). Acta Manilana 47: 15-40.
  42. CI Banag, NMB Manalastas & GJD Alejandro. 2014. Synonymy and a new species of Philippine Ixora L. (Ixoreae, Rubiaceae). Nordic Journal of Botany (in press).
  43. GJD Alejandro, CMM Magdaleno, JAT Pacia, LD Paraguison, KK Quiogue, AED Wong, KMR Yayen & AH. Arriola. 2014. Generic affiliations of Canthium species placed under Pyrostria group B sensu Bridson (Vanguerieae, Rubiaceae) inferred from molecular data. Botanical Studies (in press).

 

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