Dataset Information

Draft Genome Sequences of Three "Candidatus Symbiopectobacterium" Isolates Collected from Potato Tubers Grown in New Zealand.

ABSTRACT: The draft genome sequences of three "Candidatus Symbiopectobacterium" isolates that were collected from New Zealand-grown potato tubers represent the first report of this proposed taxon in the Southern Hemisphere. Their symbiosis with insects and nematodes and their presence on plants may lead to new strategies for pest control and crop management.

SUBMITTER: Nunes Leite L

PROVIDER: S-EPMC10019282 | biostudies-literature | 2023 Mar

REPOSITORIES: biostudies-literature

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Draft Genome Sequences of Three "<i>Candidatus</i> Symbiopectobacterium" Isolates Collected from Potato Tubers Grown in New Zealand.

Nunes Leite Luciano L Visnovsky Sandra B SB Wright Peter J PJ Pitman Andrew R AR

Microbiology resource announcements 20230228 3

The draft genome sequences of three "<i>Candidatus</i> Symbiopectobacterium" isolates that were collected from New Zealand-grown potato tubers represent the first report of this proposed taxon in the Southern Hemisphere. Their symbiosis with insects and nematodes and their presence on plants may lead to new strategies for pest control and crop management. ...[more]

PMID: 36853066

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Project description:Background and aimsThe three-dimensional distributions of mineral elements in potato tubers provide insight into their mechanisms of transport and deposition. Many of these minerals are essential to a healthy human diet, and characterizing their distribution within the potato tuber will guide the effective utilization of this staple foodstuff.MethodsThe variation in mineral composition within the tuber was determined in three dimensions, after determining the orientation of the harvested tuber in the soil. The freeze-dried tuber samples were analysed for minerals using inductively coupled plasma-mass spectrometry (ICP-MS). Minerals measured included those of nutritional significance to the plant and to human consumers, such as iron, zinc, copper, calcium, magnesium, manganese, phosphorus, potassium and sulphur.Key resultsThe concentrations of most minerals were higher in the skin than in the flesh of tubers. The potato skin contained about 17 % of total tuber zinc, 34 % of calcium and 55 % of iron. On a fresh weight basis, most minerals were higher in tuber flesh at the stem end than the bud end of the tuber. Potassium, however, displayed a gradient in the opposite direction. The concentrations of phosphorus, copper and calcium decreased from the periphery towards the centre of the tuber.ConclusionsThe distribution of minerals varies greatly within the potato tuber. Low concentrations of some minerals relative to those in leaves may be due to their low mobility in phloem, whereas high concentrations in the skin may reflect direct uptake from the soil across the periderm. In tuber flesh, different minerals show distinct patterns of distribution in the tuber, several being consistent with phloem unloading in the tuber and limited onward movement. These findings have implications both for understanding directed transport of minerals in plants to stem-derived storage organs and for the dietary implications of different food preparation methods for potato tubers.

Dataset Information

Draft Genome Sequences of Three "Candidatus Symbiopectobacterium" Isolates Collected from Potato Tubers Grown in New Zealand.

Publications

Draft Genome Sequences of Three "<i>Candidatus</i> Symbiopectobacterium" Isolates Collected from Potato Tubers Grown in New Zealand.

Similar Datasets

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