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Draft Genome Sequence of Mentha Iongifolia and Development of Resources for Mint Cultivar Improvement

Molecular plant 2017年第2期10卷 323-339页

作者： Kelly J. Vining Sean R. Johnson Amirhossein Ahkami Iris Lange Amber N. Parrish Susan C. Trapp Rodney B. Croteau Shannon C.K. Straub Iovanna Pandelova B. Markus Lange Department of Horticulture Oregon State University Corvallis OR 97331 USA M. J. Murdock Metabolomics Laboratory Institute of Biological Chemistry Washington State University Pullman WA 99164-6340 USA Department of Biology Hobart and William Smith Colleges Geneva NY 14456 USA Present address: Pacific Northwest National Laboratory Environmental Molecular Sciences Laboratory (EMSL) Richiand WA 99354 USA Present address: Medifluidics Inc. Fort Collins. CO 80525 USA

The genus Mentha encompasses mint species cultivated for their essential oils, which are formulated into a vast array of consumer products. Desirable oil characteristics and resistance to the fungal disease Verti- cillium wilt are top priorities for the mint industry. However, cultivated mints have complex polyploid ge- homes and are sterile. Breeding efforts, therefore, require the development of genomic resources for fertile mint species. Here, we present draft de novo genome and plastome assemblies for a wilt-resistant South African accession of Mentha Iongifolia （L.） Huds., a diploid species ancestral to cultivated peppermint and spearmint. The 353 Mb genome contains 35 597 predicted protein-coding genes, including 292 disease resistance gene homologs, and nine genes determining essential oil characteristics. A genetic linkage map ordered 1397 genome scaffolds on 12 pseudochromosomes. More than two million simple sequence repeats were identified, which will facilitate molecular marker development. The M. Iongifolia genome is a valuable resource for both metabolic engineering and molecular breeding. This is exemplified by employing the genome sequence to clone and functionally characterize the promoters in a peppermint cultivar, and demonstrating the utility of a glandular trichome-specific promoter to increase expression of a biosynthetic gene, thereby modulating essential oil composition.

关键词： aromatic plant essential oil genome mint Verticillium wilt

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Evaluating Biotic Elicitation with Phenylalanine and/or Yeast for Rosemary (<i>Rosmarinus officinals</i>L.) Sustainable Improvement under Traditional and Organic Agriculture

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Agricultural Sciences 2021年第3期12卷 273-292页

作者： Tarek Elsayed S. A. El Sayed S. A. Radioisotopes Department Nuclear Research Center Egyptian Atomic Energy Authority Cairo Egypt

Rosemary (Rosmrinus officinals) is one of the most important medicinal plants was cultivated for two subsequent seasons field experiment trial (March 2018, 2019) designed as factorial split-plot design with three replicates. The main factor 4 biotic elicitors: control (E1), phenylalanine (E2), yeast (E3) and (E4), E2 + F3 Whereas, the sub-main factor, four fertilizers: (F1) NPK, (F2) 1/2NPK + PGPB and humic acid + PGPB (F3), and moringa dry leaves extract. + PGPB (F4). Statistical analysis for collected data revealed significant promotion for growth traits leading to significant increment biomass yield, secondary metabolites production and quality. Total phenolics, total flavonoids and essential oil its terpenes contents in which solitary, E2, E3 acted positive significant impact while E4exhiboted significant positive impact over E1 whereas, F1-4 achieved significant increment in which, biofertilser f4 > f3 > f2 over NPK biofertilser, while paired E1-4 with F1-4 performed E4E4 exceeded E3F3 exceeded E3F2 that exceeded E1F1. Therefore, multi-repeating elicitation with E2, 3, 4 coupled with Biofertilizers F2, 4 could be considered as eco-friendly innovative reliable practical application for sustainable improvement and sustainable use that exceeded significantly over traditional agriculture NPK alone or 1/2 NPK-PGPB for R. officinals.

关键词： Rosemary aromatic plant Medicinal plant Elicitation Biotic Elicitor

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Control of Growth and Aflatoxin Production of Aspergillus flavus by Medicinal and aromatic plants

Control of Growth and Aflatoxin Production of Aspergillus fl...

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第三届国际生物防治与生物技术研讨会

作者： Dusanee Thanaboripat Yaowapa Suvathi Vanida Chantarateptawan Department of Applied Biology Faculty of ScienceKing Mongkut’s Institute of Technology LadkrabangBangkok 10520Thailand Research and Development Institute Government Pharmaceutical OrganizationBangkok 10400Thailand

＜正＞The effects of 25 samples of herbal crude extracts and 18 samples of essential oils on the growth and aflatoxin production of A.flavus were studied. The results showed that essential oils No.V17 gave the best inhibitory effect on fungal growth and aflatoxin production.Both fungal growth and aflatoxin production were completely inhibited up to day 5 and aflatoxin level was reduced to 90%when the fungus was cultured in maize grains with the addition of V 17 for 60 days.

关键词： Aspergillus flavus essential oil medicinal plant aromatic plant herb aflatoxin mycotoxin

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