Melon bacterial artificial chromosome (BAC) library construction using improved methods and identification of clones linked to the locus conferring resistance to melon Fusarium wilt (Fom-2)

Meizhong Luo, Yi Hong Wang, David Frisch, Tarek Joobeur, Rod A Wing, Ralph A. Dean

Research output: Contribution to journalArticle

88 Citations (Scopus)

Abstract

Utilizing improved methods, two bacterial artificial chromosome (BAC) libraries were constructed for the multidisease-resistant line of melon MR-1. The HindIII library consists of 177 microtiter plates in a 384-well format, while the EcoRI library consists of 222 microtiter plates. Approximately 95.6% of the HindIII library clones contain nuclear DNA inserts with an average size of 118 kb, providing a coverage of 15.4 genome equivalents. Similarly, 96% of the EcoRI library clones contain nuclear DNA inserts with an average size of 114 kb, providing a coverage of 18.7 genome equivalents. Both libraries were evaluated for contamination with high-copy vector, empty pIndigoBac536 vector, and organellar DNA sequences. High-density filters were screened with two genetic markers FM and AM that co-segregate with Fom-2, a gene conferring resistance to races 0 and 1 of Fusarium wilt. Fourteen and 18 candidate BAC clones were identified for the FM and AM probes, respectively, from the HindIII library, while 34 were identified for the AM probe from filters A, B, and C of the EcoRI library.

Original languageEnglish (US)
Pages (from-to)154-162
Number of pages9
JournalGenome
Volume44
Issue number2
DOIs
StatePublished - 2001
Externally publishedYes

Fingerprint

Cucurbitaceae
Bacterial Artificial Chromosomes
bacterial artificial chromosomes
Fusarium wilt
Fusarium
melons
Libraries
Clone Cells
clones
loci
methodology
nuclear genome
Genome
DNA
genome
Genetic Markers
nucleotide sequences
genetic markers

Keywords

  • Bacterial artificial chromosome (BAC) library
  • Fusarium wilt
  • Melon
  • pCUGIBAC1
  • Resistant gene

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biotechnology
  • Genetics
  • Genetics(clinical)

Cite this

Melon bacterial artificial chromosome (BAC) library construction using improved methods and identification of clones linked to the locus conferring resistance to melon Fusarium wilt (Fom-2). / Luo, Meizhong; Wang, Yi Hong; Frisch, David; Joobeur, Tarek; Wing, Rod A; Dean, Ralph A.

In: Genome, Vol. 44, No. 2, 2001, p. 154-162.

Research output: Contribution to journalArticle

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