Biology of the Papaya Plant

García, Víctor Jiménez; Newcomer, Eric Mora; Soto, Marco Vinicio Gutiérrez

doi:10.1007/978-1-4614-8087-7_2

Cited by 38 publications

(31 citation statements)

References 61 publications

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“…Interestingly, both cultivars cultured in the Farzana et al (2008) and Malabadi et al (2011) protocols resulted in mixed organogenesis (callus + shoots) while all other protocols resulted in a clear developmental pattern, either callus or shoots. The in vitro development of papaya is already well established (reviewed in Teixeira da Silva et al 2007, Jiménez et al 2014. Effective in vitro protocols are important for the successful regeneration of transgenic tissue (Tennant 2010).…”

Section: Resultsmentioning

confidence: 99%

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Callus induction in papaya (Carica papaya L.) and synseed production for low temperature storage and cryopreservation

Silva

2014

Folia Horticulturae

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The mid-to long-term preservation of papaya (Carica papaya L.) would allow for the safeguarding of important germplasm. In this study, soft friable callus (SFC) and hard callus (HC) were induced from the first two true leaves of 10-day-old seedlings containing a midrib derived from the germinated seed of two cultivars ('Rainbow' and 'Sunrise Solo'). Following germination on a Murashige and Skoog (MS) medium that contained 3% sucrose and was free of plant growth regulators (PGRs), sections of the first true leaves from 10-day-old seedlings were exposed to seven published callus or somatic embryogenesis protocols for zygotic embryos, leaves or hypocotyls. Optimal SFC and HC induction was carried out on a half-strength MS medium following the Fitch (1993) or the Ascêncio-Cabral et al. (2008) protocol, respectively. SFC formed shoots that could then convert to plants when transferred to a full-strength MS medium devoid of PGRs. Plantlets 10-cm tall were acclimatised in two steps: first by in vitro acclimatisation in aerated vessels, the Vitron, under CO 2 -enriched (3000 ppm CO 2 ), then by the transfer of individually rooted plantlets in Rockwool ® blocks to a substrate of soil: pine bark : perlite (1:1:1, v/v/v). SFC and HC were then encapsulated in alginate beads, which were exposed to low temperature storage (LTS) at 10°C and 15°C, and also cryopreserved for 30 days. All encapsulated alginate beads that contained SFC, HC or leaf tissue that had been stored under LTS or cryopreserved were able to regenerate callus when placed on an optimal callus induction medium. Plants derived from the control, LTS and cryopreservation protocols, either from SFC or HC, were successfully acclimatised.

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Section: Resultsmentioning

confidence: 99%

“…The most common form of propagating papaya (Carica papaya L.; Caricaceae), a tropical fruit, is by seed (Teixeira da Silva et al 2007, Jiménez et al 2014. Papaya fruit contains papain, an enzyme, while its leaves contain secondary metabolites such as flavonoids and coumarins (Canini et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Callus induction in papaya (Carica papaya L.) and synseed production for low temperature storage and cryopreservation

Silva

2014

Folia Horticulturae

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“…gov/pz/portal.html#!info? alias=Org_Cpapaya [28] Agrobacterium-mediated transformation of somatic and zygotic embryos [29,30].…”

Section: Papaya 'Sun Up'mentioning

confidence: 99%

“…Wild papaya features a 1:1 proportion of male to female plants (dioecious) and cultivated papaya a proportion of 2:3 hermaphrodite and 1:3 female plants (gynodioecious) [32]. Hermaphrodite flowers develop into elongated fruits with a small cavity (see Figure 1C), a trait that is sought-after commercially, as opposed to flowers from female plants, which are ovoid and have a large cavity [28,33]; thus, great effort has been placed on determining the sex of plants grown in the field. The X region is only 3.5 Mb, whereas the HSY and MSY regions are about 8.1 Mb and are located on chromosome 1 [32].…”

Section: Papaya 'Sun Up'mentioning

confidence: 99%

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Chromosome Engineering in Tropical Cash Crops

Bolaños-Villegas

2020

Agronomy

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Tropical and subtropical crops such as coffee, cacao, and papaya are valuable commodities, and their consumption is a seemingly indispensable part of the daily lives of billions of people worldwide. Conventional breeding of these crops is long, and yields are threatened by global warming. Traditional chromosome engineering and new synthetic biology methods could be used to engineer new chromosomes, facilitate the transmission of wild traits to improve resistance to stress and disease in these crops, and hopefully boost yields. This review gives an overview of these approaches. The adoption of these approaches may contribute to the resilience of agricultural communities, lead to economic growth and secure the availability of key resources for generations to come.

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