Nabil Killiny


Affiliation: University of Florida
Location: , USA


  1. Killiny N, Almeida R. Xylella fastidiosa afimbrial adhesins mediate cell transmission to plants by leafhopper vectors. Appl Environ Microbiol. 2009;75:521-8 pubmed publisher
    ..fastidiosa to leafhoppers. We propose that X. fastidiosa colonization of leafhopper vectors is a complex, stepwise process similar to the formation of biofilms on surfaces. ..
  2. Chatterjee S, Killiny N, Almeida R, Lindow S. Role of cyclic di-GMP in Xylella fastidiosa biofilm formation, plant virulence, and insect transmission. Mol Plant Microbe Interact. 2010;23:1356-63 pubmed publisher
  3. Saillard C, Carle P, Duret Nurbel S, Henri R, Killiny N, Carrère S, et al. The abundant extrachromosomal DNA content of the Spiroplasma citri GII3-3X genome. BMC Genomics. 2008;9:195 pubmed publisher
    ..In order to characterize candidate genes potentially involved in spiroplasma transmission and pathogenicity, the genome of S. citri strain GII3-3X is currently being deciphered...
  4. Killiny N, Castroviejo M, Saillard C. Spiroplasma citri Spiralin Acts In Vitro as a Lectin Binding to Glycoproteins from Its Insect Vector Circulifer haematoceps. Phytopathology. 2005;95:541-8 pubmed publisher
    ..Thus, the spiralin could play a key role in the transmission of S. citri by mediating spiroplasma adherence to epithelial cells of insect vector gut or salivary gland. ..
  5. Killiny N, Almeida R. Host structural carbohydrate induces vector transmission of a bacterial plant pathogen. Proc Natl Acad Sci U S A. 2009;106:22416-20 pubmed publisher
    ..A better understanding of how vector-borne pathogens transition from host to vector, and vice versa, may lead to previously undiscovered disease-control strategies. ..
  6. Killiny N, Prado S, Almeida R. Chitin utilization by the insect-transmitted bacterium Xylella fastidiosa. Appl Environ Microbiol. 2010;76:6134-40 pubmed publisher
    ..In addition, chitin may trigger X. fastidiosa's gene regulation and biofilm formation within vectors. Further work is necessary to characterize the role of chitin and its utilization in X. fastidiosa. ..
  7. request reprint
    Killiny N, Batailler B, Foissac X, Saillard C. Identification of a Spiroplasma citri hydrophilic protein associated with insect transmissibility. Microbiology. 2006;152:1221-30 pubmed
    ..This further suggests that P32 protein contributes to the association of S. citri with host membranes...
  8. El Shesheny I, Hijaz F, El Hawary I, Mesbah I, Killiny N. Impact of different temperatures on survival and energy metabolism in the Asian citrus psyllid, Diaphorina citri Kuwayama. Comp Biochem Physiol A Mol Integr Physiol. 2016;192:28-37 pubmed publisher
    ..Exploring energy metabolic regulation in relation with adult survival might help in understanding the physiological basis of how ACP tolerates newly invaded regions. ..
  9. Killiny N, Jones S. Profiling of volatile organic compounds released from individual intact juvenile and mature citrus leaves. J Plant Physiol. 2017;208:47-51 pubmed publisher
    ..The finding that juvenile leaves emitted higher levels of sesquiterpenes while mature leaves released mostly monoterpenes suggests that younger leaves of plants may be involved in a more complex chemical communication system. ..

Detail Information


  1. Killiny N. Generous hosts: What makes Madagascar periwinkle (Catharanthus roseus) the perfect experimental host plant for fastidious bacteria?. Plant Physiol Biochem. 2016;109:28-35 pubmed publisher
  2. Nehela Y, Hijaz F, Elzaawely A, El Zahaby H, Killiny N. Phytohormone profiling of the sweet orange (Citrus sinensis (L.) Osbeck) leaves and roots using GC-MS-based method. J Plant Physiol. 2016;199:12-17 pubmed publisher
    ..The method we used is efficient, precise, and appropriate to study citrus phytohormonal profiles to understand their crosstalk and responses to environmental and biological stresses. ..
  3. Killiny N, Harper S, Alfaress S, El Mohtar C, Dawson W. Minor Coat and Heat Shock Proteins Are Involved in the Binding of Citrus Tristeza Virus to the Foregut of Its Aphid Vector, Toxoptera citricida. Appl Environ Microbiol. 2016;82:6294-6302 pubmed
    ..These findings will help in understanding the transmission mechanism of CTV by the aphid vector and may help in developing control strategies which interfere with the CTV binding to its insect vector to block the transmission. ..
  4. Hijaz F, Killiny N. A gas chromatography-mass spectrometry method for the determination of delta-aminolevulinic acid in plant leaves. J Chromatogr A. 2016;1447:57-63 pubmed publisher
    ..The GC-MS method developed in this study is simple, accurate, sensitive, and could also be used to measure ?-ALA in other biological samples. ..
  5. Killiny N, Martinez R, Dumenyo C, Cooksey D, Almeida R. The exopolysaccharide of Xylella fastidiosa is essential for biofilm formation, plant virulence, and vector transmission. Mol Plant Microbe Interact. 2013;26:1044-53 pubmed publisher
    ..These results suggest an essential role for EPS in X. fastidiosa interactions with both plants and insects. ..
  6. Killiny N, Hijaz F, Ebert T, Rogers M. A Plant Bacterial Pathogen Manipulates Its Insect Vector's Energy Metabolism. Appl Environ Microbiol. 2017;83: pubmed publisher
    ..These findings increase our knowledge of insect transmission of the persistent-circulative-propagative type of plant pathogens vectored by insects. ..
  7. Killiny N, Valim M, Jones S, Omar A, Hijaz F, Gmitter F, et al. Metabolically speaking: Possible reasons behind the tolerance of 'Sugar Belle' mandarin hybrid to huanglongbing. Plant Physiol Biochem. 2017;116:36-47 pubmed publisher
    ..If tolerance of these hybrids is confirmed, they could be used to replace the traditionally susceptible cultivars. ..
  8. Kishk A, Hijaz F, Anber H, AbdEl Raof T, El Sherbeni A, Hamed S, et al. RNA interference of acetylcholinesterase in the Asian citrus psyllid, Diaphorina citri, increases its susceptibility to carbamate and organophosphate insecticides. Pestic Biochem Physiol. 2017;143:81-89 pubmed publisher
    ..Our results indicated that silencing of AChE and ChE genes in D. citri to increase its susceptibility to insecticides could be a promising tool for the control of this important vector...