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Genomic and Transcriptomic Analysis of Olive (Olea europaea L.)

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Plant Sciences".

Deadline for manuscript submissions: 21 January 2025 | Viewed by 3420

Special Issue Editors


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Guest Editor
Department of Experimental Biology, Universidad de Jaén, 23071 Jaén, Spain
Interests: biochemistry; genetics and molecular biology; agricultural and biological sciences

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Guest Editor
1. Department of Molecular Biology and Biochemistry, Universidad de Málaga, 29071 Málaga, Spain
2. Institute for Mediterranean and Subtropical Horticulture "La Mayora" (IHSM-CSIC-UMA), Av. Louis Pasteur, 49, 29010 Málaga, Spain
Interests: bioinformatics; genomics; education in biology and related disciplines; transcriptomics; plants; flatfishes
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Guest Editor
Institute for Mediterranean and Subtropical Horticulture “La Mayora” (IHSM La Mayora-CSIC-UMA), Avenida Dr. Wienberg, s/n. Algarrobo-Costa, 29750 Málaga, Spain
Interests: bioinformatics; plant genomics; transcriptomics; annotation; bioinformatics tools; olive; avocado; mango
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues, 

Olive has been an important crop in the Mediterranean basin for thousands of years and it remains a strategic crop in Mediterranean countries, as well as in countries of the Middle East. The consumption of olive oil and table olives has expanded to countries all around the world, a process which has increased the production of this species in countries of South and North America and raised the interest in this species in Asia and Australia. Recently, the genome sequences of several cultivated varieties of olive and a wild olive were made available, facilitating the study of this species. This Special Issue of IJMS aims to highlight genomics and transcriptomics analyses in olive. Submitted research could include studies related to comparative genomics, domestication, genetic markers, genetic variance, or trait association to genes, and transcriptomics analyses to study gene expression or its regulation in processes of interest such as responses to biotic or abiotic stresses, fruit traits, reproductive biology, comparison of varieties, adaptation to different soil and climatic conditions, or other processes of interest for olive.

Dr. Francisco Luque
Dr. M. Gonzalo Claros
Dr. Noe Fernandez-Pozo
Guest Editors

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Keywords

  • olive
  • Olea europaea
  • transcriptomics
  • RNA-seq
  • iso-seq
  • comparative genomics
  • domestication
  • genetic markers
  • genetic variance
  • agricultural traits
  • genotyping
  • phenotyping
  • plant hormones
  • biotic stress
  • abiotic stress
  • plant development
  • gene expression
  • transcription factors
  • gene regulation
  • oil synthesis and storage
  • fruit ripening
  • disease resistance
  • viral infection

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Published Papers (2 papers)

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Research

15 pages, 1671 KiB  
Article
Revealing the Diversity and Complex Relationships of Croatian Olive Germplasm
by Tatjana Klepo, Đani Benčić, Zlatko Liber, Angjelina Belaj, Frane Strikić, Nives Kević and Zlatko Šatović
Int. J. Mol. Sci. 2024, 25(6), 3170; https://doi.org/10.3390/ijms25063170 - 9 Mar 2024
Cited by 3 | Viewed by 1600
Abstract
Olive growing in Croatia has a long tradition and is of great economic and social impact. The present study includes a set of 108 tree samples (88 samples corresponding to 60 presumed cultivars and 20 trees of unnamed ones) collected from 27 groves [...] Read more.
Olive growing in Croatia has a long tradition and is of great economic and social impact. The present study includes a set of 108 tree samples (88 samples corresponding to 60 presumed cultivars and 20 trees of unnamed ones) collected from 27 groves in the entire olive growing area, and is the most comprehensive survey to be conducted in Croatia. The genetic diversity, relationships, and structures of olive plants were studied using eight microsatellite loci. All loci were polymorphic and revealed a total of 90 alleles. A total of 74 different genotypes were detected that were subjected to further diversity and genetic relationship studies. The Fitch–Margoliash tree and Bayesian analysis of population structure revealed a complex relationship between the identified olive genotypes, which were clustered into three gene pools, indicating different origins of Croatian olive germplasms. Excluding the redundant germplasms, 44 different genotypes among the sampled trees of well-known cultivars and 16 new local germplasms were identified. In addition, we provide the etymology of 46 vernacular names, which confirms that the vast majority of traditional Croatian cultivars have common and widespread names. The results presented herein underline the importance of safeguarding local cultivars and conducting continuous surveys. Full article
(This article belongs to the Special Issue Genomic and Transcriptomic Analysis of Olive (Olea europaea L.))
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17 pages, 5475 KiB  
Article
Modulation of Anthocyanin Biosynthesis-Related Genes during the Ripening of Olea europaea L. cvs Carolea and Tondina Drupes in Relation to Environmental Factors
by Michele Ferrari, Antonella Muto, Leonardo Bruno, Innocenzo Muzzalupo and Adriana Chiappetta
Int. J. Mol. Sci. 2023, 24(10), 8770; https://doi.org/10.3390/ijms24108770 - 15 May 2023
Cited by 3 | Viewed by 1297
Abstract
Anthocyanins protect plants against various biotic and abiotic stresses, and anthocyanin-rich foods exert benefits on human health due to their antioxidant activity. Nevertheless, little information is available on the influence of genetic and environmental factors on the anthocyanin content in olive fruits. Based [...] Read more.
Anthocyanins protect plants against various biotic and abiotic stresses, and anthocyanin-rich foods exert benefits on human health due to their antioxidant activity. Nevertheless, little information is available on the influence of genetic and environmental factors on the anthocyanin content in olive fruits. Based on this consideration, the total anthocyanin content, the genes involved in anthocyanin biosynthesis, and three putative R2R3-MYB transcription factors were evaluated at different ripening stages in the drupes of the Carolea and Tondina cultivars, sampled at different altitudes in the Calabria region, Italy. During drupe ripening, the total anthocyanin content and the transcript levels of analyzed genes gradually increased. In line with the anthocyanin content, a different level of expression of anthocyanin structural genes was observed in ‘Carolea’ compared to ‘Tondina’, and in relation to the cultivation area. Furthermore, we identified Oeu050989.1 as a putative R2R3-MYB involved in the regulation of anthocyanin structural genes correlated with the environmental temperature change response. We conclude that anthocyanin accumulation is strongly regulated by development, genotype, and also by environmental factors such as temperature, associated with the altitude gradient. The obtained results contribute to reducing the current information gap regarding the molecular mechanisms on anthocyanin biosynthesis regulation related to the environmental conditions in Olea europaea. Full article
(This article belongs to the Special Issue Genomic and Transcriptomic Analysis of Olive (Olea europaea L.))
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