Abstract
Padina pavonica is one of the common macro-algae that inhabit coastal inter-tidal zones around the world. It is one of the two brown algae known to science today that calcifies. It precipitates CaCO3 in the microscopy form of Aragonite needle shape seen macroscopically as a vertical ventral stripes. Here we will summarize the information available since the beginning of the 20th century, taking into consideration the algal distribution, macro and micro-morphology, cytology, reproduction, CaCO3 bio-mineralization, and a slight reference to the commercial aspects, i.e., its use in the medical and cosmetic industries. This paper discusses the likely advantages that Padina gains by the calcification and the effect of pH caused by global climate changes on this calcification. We will describe the distribution of Padina, while focusing on the morphology of P. pavonica, as described in the literature, occasionally comparing it to another common species in Tel-Baruch—P. gymnospora. This review is somewhat prolog for the upcoming research.
Highlights
Padina pavonica is one of the common macro-algae that inhabit coastal inter-tidal zones around the world. It is one of the two brown algae known to science today that calcifies
This paper discusses the likely advantages that Padina gains by the calcification and the effect of pH caused by global climate changes on this calcification
We will describe the distribution of Padina, while focusing on the morphology of P. pavonica, as described in the literature, occasionally comparing it to another common species in Tel-Baruch—P. gymnospora
Summary
Padina pavonica is a brown alga from the Dichtyophyceae family, distributed from warm-temperate to tropical shores, at latitudes of ±30 worldwide, and growing mainly in the Mediterranean Sea and Atlantic Ocean [1] [2]. This alga seems to thrive under such conditions. P. pavonica has been well studied since the beginning of the last century and is, environmentally and medically, an important alga, extensively used as a feedstock for the production of biodiesel [13], in heavy-metal biosorption, as a pollution bioindicator [11], a trace metal biomonitor [14], an antioxidant [15], an anticancer drug (by inducing apoptosis of cancer cells) [16], an antibacterial agent [17], and a bioinsecticide [18]
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