About: IbMADS1 (Ipomoea batatas MADS-box 1 gene) is Involved in Tuberous Root Initiation in Sweet Potato (Ipomoea batatas)

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About: IbMADS1 (Ipomoea batatas MADS-box 1 gene) is Involved in Tuberous Root Initiation in Sweet Potato (Ipomoea batatas) Goto Sponge NotDistinct Permalink

An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	IbMADS1 (Ipomoea batatas MADS-box 1 gene) is Involved in Tuberous Root Initiation in Sweet Potato (Ipomoea batatas)
Creator	Ku, Amy Huang, Yi-Shiuan Ma, Daifu Wang, Yu-Shu Yeh, Kai-Wun
Source	Medline; PMC
abstract	BACKGROUND AND AIMS: The tuberization mechanism of sweet potato (Ipomoea batatas) has long been studied using various approaches. Morphological data have revealed that the tuberizing events result from the activation of the cambium, followed by cell proliferation. However, uncertainties still remain regarding the regulators participating in this signal-transduction pathway. An attempt was made to characterize the role of one MADS-box transcription factor, which was preferentially expressed in sweet potato roots at the early tuberization stage. METHODS: A differential expression level of IbMADS1 (Ipomoea batatas MADS-box 1) was detected temporally and spatially in sweet potato tissues. IbMADS1 responses to tuberization-related hormones were assessed. In order to identify the evolutionary significance, the expression pattern of IbMADS1 was surveyed in two tuber-deficient Ipomoea relatives, I. leucantha and I. trifida, and compared with sweet potato. In functional analyses, potato (Solanum tuberosum) was employed as a heterologous model. The resulting tuber morphogenesis was examined anatomically in order to address the physiological function of IbMADS1, which should act similarly in sweet potato. KEY RESULTS: IbMADS1 was preferentially expressed as tuberous root development proceeded. Its expression was inducible by tuberization-related hormones, such as jasmonic acid and cytokinins. In situ hybridization data showed that IbMADS1 transcripts were specifically distributed around immature meristematic cells within the stele and lateral root primordia. Inter-species examination indicated that IbMADS1 expression was relatively active in sweet potato roots, but undetectable in tuber-deficient Ipomoea species. IbMADS1-transformed potatoes exhibited tuber morphogenesis in the fibrous roots. The partial swellings along fibrous roots were mainly due to anomalous proliferation and differentiation in the xylem. CONCLUSIONS: Based on this study, it is proposed that IbMADS1 is an important integrator at the initiation of tuberization. As a result, the initiation and development of tuberous roots seems to be well regulated by a network involving a MADS-box gene in which such hormones as jasmonic acid and cytokinins may act as trigger factors.
has issue date	2008-05-07(xsd:dateTime)
bibo:doi	10.1093/aob/mcn067
bibo:pmid	18463111
has license	bronze-oa
sha1sum (hex)	9966ccef050ac0dc4d794363dbd1f865442ef0aa
schema:url	https://doi.org/10.1093/aob/mcn067
resource representing a document's title	IbMADS1 (Ipomoea batatas MADS-box 1 gene) is Involved in Tuberous Root Initiation in Sweet Potato (Ipomoea batatas)
has PubMed Central identifier	PMC2712425
has PubMed identifier	18463111
schema:publication	Annals of Botany
resource representing a document's body	covid:9966ccef050ac0dc4d794363dbd1f865442ef0aa#body_text
is schema:about of	named entity 'responses' named entity 'level' named entity 'long' named entity 'potato' named entity 'cell proliferation' named entity 'acid' named entity 'anatomically' named entity 'hormones' named entity 'In situ hybridization' named entity 'employed' named entity 'tuber' named entity 'regulators' named entity 'expression' named entity 'assessed' named entity 'SWEET POTATO' named entity 'LATERAL ROOT' named entity 'ROLE' named entity 'TUBEROUS ROOT' named entity 'HAVE' named entity 'EARLY' named entity 'ADDRESS' named entity 'POTATO' named entity 'UNCERTAINTIES' named entity 'ORDER' named entity 'RELATED' named entity 'HETEROLOGOUS' named entity 'EXPRESSED' named entity 'DEFICIENT' named entity 'EXPRESSION PATTERN' named entity 'FOLLOWED BY' named entity 'ITS' named entity 'RELATIVES' named entity 'MODEL' named entity 'IPOMOEA' named entity 'EXAMINED' named entity 'MADS' named entity 'ANOMALOUS' named entity 'REGULATORS' named entity 'TUBER' named entity 'CELL PROLIFERATION' named entity 'EMPLOYED' named entity 'IMPORTANT' covid:arg/9966ccef050ac0dc4d794363dbd1f865442ef0aa named entity 'REVEALED' named entity 'FUNCTIONAL' named entity 'ACTIVE' named entity 'EXPRESSION LEVEL' named entity 'SPECIES' named entity 'XYLEM' named entity 'BOX' named entity 'GENE' named entity 'MADS' named entity 'TUBEROUS ROOT' named entity 'INVOLVED' named entity 'INITIATION' named entity 'COMPARED' named entity 'STELE' named entity 'PHYSIOLOGICAL FUNCTION' named entity 'ASSESSED' named entity 'TUBEROUS' named entity 'JASMONIC ACID' named entity 'TISSUES' named entity 'ROOTS' named entity 'ACTIVATION' named entity 'RESPONSES' named entity 'PROLIFERATION' named entity 'DIFFERENTIATION' named entity 'HORMONES' named entity 'MORPHOGENESIS' named entity 'FIBROUS' named entity 'DEVELOPMENT' named entity 'DIFFERENTIAL EXPRESSION' named entity '80%' named entity 'USING' named entity 'ROOT DEVELOPMENT' named entity 'DETECTED' named entity 'INITIATION'

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